257905620

素因数分解:

$2^2\times 3^6\times 5^1\times 7^2\times {\mathrm{19}}^2$

素因数の和:79

約数の個数: 378

約数和(自身を含む): 996940602

約数和(自身を除く): 739034982

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 162, 171, 180, 189, 190, 196, 210, 228, 243, 245, 252, 266, 270, 285, 294, 315, 324, 342, 361, 378, 380, 399, 405, 420, 441, 486, 490, 513, 532, 540, 567, 570, 588, 630, 665, 684, 722, 729, 735, 756, 798, 810, 855, 882, 931, 945, 972, 980, 1026, 1083, 1134, 1140, 1197, 1215, 1260, 1323, 1330, 1444, 1458, 1470, 1539, 1596, 1620, 1701, 1710, 1764, 1805, 1862, 1890, 1995, 2052, 2166, 2205, 2268, 2394, 2430, 2527, 2565, 2646, 2660, 2793, 2835, 2916, 2940, 3078, 3249, 3402, 3420, 3591, 3610, 3645, 3724, 3780, 3969, 3990, 4332, 4410, 4617, 4655, 4788, 4860, 5054, 5103, 5130, 5292, 5415, 5586, 5670, 5985, 6156, 6498, 6615, 6804, 7182, 7220, 7290, 7581, 7695, 7938, 7980, 8379, 8505, 8820, 9234, 9310, 9747, 10108, 10206, 10260, 10773, 10830, 11172, 11340, 11907, 11970, 12635, 12996, 13230, 13851, 13965, 14364, 14580, 15162, 15390, 15876, 16245, 16758, 17010, 17689, 17955, 18468, 18620, 19494, 19845, 20412, 21546, 21660, 22743, 23085, 23814, 23940, 25137, 25270, 25515, 26460, 27702, 27930, 29241, 30324, 30780, 32319, 32490, 33516, 34020, 35378, 35721, 35910, 37905, 38988, 39690, 41895, 43092, 45486, 46170, 47628, 48735, 50274, 50540, 51030, 53067, 53865, 55404, 55860, 58482, 59535, 64638, 64980, 68229, 69255, 70756, 71442, 71820, 75411, 75810, 79380, 83790, 87723, 88445, 90972, 92340, 96957, 97470, 100548, 102060, 106134, 107730, 113715, 116964, 119070, 125685, 129276, 136458, 138510, 142884, 146205, 150822, 151620, 159201, 161595, 167580, 175446, 176890, 178605, 193914, 194940, 204687, 212268, 215460, 226233, 227430, 238140, 251370, 263169, 265335, 272916, 277020, 292410, 301644, 318402, 323190, 341145, 350892, 353780, 357210, 377055, 387828, 409374, 438615, 452466, 454860, 477603, 484785, 502740, 526338, 530670, 584820, 614061, 636804, 646380, 678699, 682290, 714420, 754110, 796005, 818748, 877230, 904932, 955206, 969570, 1023435, 1052676, 1061340, 1131165, 1228122, 1315845, 1357398, 1364580, 1432809, 1508220, 1592010, 1754460, 1842183, 1910412, 1939140, 2046870, 2262330, 2388015, 2456244, 2631690, 2714796, 2865618, 3070305, 3184020, 3393495, 3684366, 4093740, 4298427, 4524660, 4776030, 5263380, 5731236, 6140610, 6786990, 7164045, 7368732, 8596854, 9210915, 9552060, 12281220, 12895281, 13573980, 14328090, 17193708, 18421830, 21492135, 25790562, 28656180, 36843660, 42984270, 51581124, 64476405, 85968540, 128952810, 257905620]

約数ペア:

[(1, 257905620), (2, 128952810), (3, 85968540), (4, 64476405), (5, 51581124), (6, 42984270), (7, 36843660), (9, 28656180), (10, 25790562), (12, 21492135), (14, 18421830), (15, 17193708), (18, 14328090), (19, 13573980), (20, 12895281), (21, 12281220), (27, 9552060), (28, 9210915), (30, 8596854), (35, 7368732), (36, 7164045), (38, 6786990), (42, 6140610), (45, 5731236), (49, 5263380), (54, 4776030), (57, 4524660), (60, 4298427), (63, 4093740), (70, 3684366), (76, 3393495), (81, 3184020), (84, 3070305), (90, 2865618), (95, 2714796), (98, 2631690), (105, 2456244), (108, 2388015), (114, 2262330), (126, 2046870), (133, 1939140), (135, 1910412), (140, 1842183), (147, 1754460), (162, 1592010), (171, 1508220), (180, 1432809), (189, 1364580), (190, 1357398), (196, 1315845), (210, 1228122), (228, 1131165), (243, 1061340), (245, 1052676), (252, 1023435), (266, 969570), (270, 955206), (285, 904932), (294, 877230), (315, 818748), (324, 796005), (342, 754110), (361, 714420), (378, 682290), (380, 678699), (399, 646380), (405, 636804), (420, 614061), (441, 584820), (486, 530670), (490, 526338), (513, 502740), (532, 484785), (540, 477603), (567, 454860), (570, 452466), (588, 438615), (630, 409374), (665, 387828), (684, 377055), (722, 357210), (729, 353780), (735, 350892), (756, 341145), (798, 323190), (810, 318402), (855, 301644), (882, 292410), (931, 277020), (945, 272916), (972, 265335), (980, 263169), (1026, 251370), (1083, 238140), (1134, 227430), (1140, 226233), (1197, 215460), (1215, 212268), (1260, 204687), (1323, 194940), (1330, 193914), (1444, 178605), (1458, 176890), (1470, 175446), (1539, 167580), (1596, 161595), (1620, 159201), (1701, 151620), (1710, 150822), (1764, 146205), (1805, 142884), (1862, 138510), (1890, 136458), (1995, 129276), (2052, 125685), (2166, 119070), (2205, 116964), (2268, 113715), (2394, 107730), (2430, 106134), (2527, 102060), (2565, 100548), (2646, 97470), (2660, 96957), (2793, 92340), (2835, 90972), (2916, 88445), (2940, 87723), (3078, 83790), (3249, 79380), (3402, 75810), (3420, 75411), (3591, 71820), (3610, 71442), (3645, 70756), (3724, 69255), (3780, 68229), (3969, 64980), (3990, 64638), (4332, 59535), (4410, 58482), (4617, 55860), (4655, 55404), (4788, 53865), (4860, 53067), (5054, 51030), (5103, 50540), (5130, 50274), (5292, 48735), (5415, 47628), (5586, 46170), (5670, 45486), (5985, 43092), (6156, 41895), (6498, 39690), (6615, 38988), (6804, 37905), (7182, 35910), (7220, 35721), (7290, 35378), (7581, 34020), (7695, 33516), (7938, 32490), (7980, 32319), (8379, 30780), (8505, 30324), (8820, 29241), (9234, 27930), (9310, 27702), (9747, 26460), (10108, 25515), (10206, 25270), (10260, 25137), (10773, 23940), (10830, 23814), (11172, 23085), (11340, 22743), (11907, 21660), (11970, 21546), (12635, 20412), (12996, 19845), (13230, 19494), (13851, 18620), (13965, 18468), (14364, 17955), (14580, 17689), (15162, 17010), (15390, 16758), (15876, 16245)]