81443880

素因数分解:

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

素因数の和:65

約数の個数: 384

約数和(自身を含む): 336528000

約数和(自身を除く): 255084120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 49, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 95, 98, 105, 108, 114, 120, 126, 133, 135, 140, 147, 152, 162, 168, 171, 180, 189, 190, 196, 210, 216, 228, 243, 245, 252, 266, 270, 280, 285, 294, 315, 324, 342, 360, 378, 380, 392, 399, 405, 420, 441, 456, 486, 490, 504, 513, 532, 540, 567, 570, 588, 630, 648, 665, 684, 729, 735, 756, 760, 798, 810, 840, 855, 882, 931, 945, 972, 980, 1026, 1064, 1080, 1134, 1140, 1176, 1197, 1215, 1260, 1323, 1330, 1368, 1458, 1470, 1512, 1539, 1596, 1620, 1701, 1710, 1764, 1862, 1890, 1944, 1960, 1995, 2052, 2187, 2205, 2268, 2280, 2394, 2430, 2520, 2565, 2646, 2660, 2793, 2835, 2916, 2940, 3078, 3192, 3240, 3402, 3420, 3528, 3591, 3645, 3724, 3780, 3969, 3990, 4104, 4374, 4410, 4536, 4617, 4655, 4788, 4860, 5103, 5130, 5292, 5320, 5586, 5670, 5832, 5880, 5985, 6156, 6615, 6804, 6840, 7182, 7290, 7448, 7560, 7695, 7938, 7980, 8379, 8505, 8748, 8820, 9234, 9310, 9576, 9720, 10206, 10260, 10584, 10773, 10935, 11172, 11340, 11907, 11970, 12312, 13230, 13608, 13851, 13965, 14364, 14580, 15309, 15390, 15876, 15960, 16758, 17010, 17496, 17640, 17955, 18468, 18620, 19845, 20412, 20520, 21546, 21870, 22344, 22680, 23085, 23814, 23940, 25137, 25515, 26460, 27702, 27930, 28728, 29160, 30618, 30780, 31752, 32319, 33516, 34020, 35721, 35910, 36936, 37240, 39690, 40824, 41553, 41895, 43092, 43740, 46170, 47628, 47880, 50274, 51030, 52920, 53865, 55404, 55860, 59535, 61236, 61560, 64638, 67032, 68040, 69255, 71442, 71820, 75411, 76545, 79380, 83106, 83790, 86184, 87480, 92340, 95256, 96957, 100548, 102060, 107163, 107730, 110808, 111720, 119070, 122472, 125685, 129276, 138510, 142884, 143640, 150822, 153090, 158760, 161595, 166212, 167580, 178605, 184680, 193914, 201096, 204120, 207765, 214326, 215460, 226233, 238140, 251370, 258552, 277020, 285768, 290871, 301644, 306180, 323190, 332424, 335160, 357210, 377055, 387828, 415530, 428652, 430920, 452466, 476280, 484785, 502740, 535815, 554040, 581742, 603288, 612360, 646380, 678699, 714420, 754110, 775656, 831060, 857304, 904932, 969570, 1005480, 1071630, 1131165, 1163484, 1292760, 1357398, 1428840, 1454355, 1508220, 1662120, 1809864, 1939140, 2036097, 2143260, 2262330, 2326968, 2714796, 2908710, 3016440, 3393495, 3878280, 4072194, 4286520, 4524660, 5429592, 5817420, 6786990, 8144388, 9049320, 10180485, 11634840, 13573980, 16288776, 20360970, 27147960, 40721940, 81443880]

約数ペア:

[(1, 81443880), (2, 40721940), (3, 27147960), (4, 20360970), (5, 16288776), (6, 13573980), (7, 11634840), (8, 10180485), (9, 9049320), (10, 8144388), (12, 6786990), (14, 5817420), (15, 5429592), (18, 4524660), (19, 4286520), (20, 4072194), (21, 3878280), (24, 3393495), (27, 3016440), (28, 2908710), (30, 2714796), (35, 2326968), (36, 2262330), (38, 2143260), (40, 2036097), (42, 1939140), (45, 1809864), (49, 1662120), (54, 1508220), (56, 1454355), (57, 1428840), (60, 1357398), (63, 1292760), (70, 1163484), (72, 1131165), (76, 1071630), (81, 1005480), (84, 969570), (90, 904932), (95, 857304), (98, 831060), (105, 775656), (108, 754110), (114, 714420), (120, 678699), (126, 646380), (133, 612360), (135, 603288), (140, 581742), (147, 554040), (152, 535815), (162, 502740), (168, 484785), (171, 476280), (180, 452466), (189, 430920), (190, 428652), (196, 415530), (210, 387828), (216, 377055), (228, 357210), (243, 335160), (245, 332424), (252, 323190), (266, 306180), (270, 301644), (280, 290871), (285, 285768), (294, 277020), (315, 258552), (324, 251370), (342, 238140), (360, 226233), (378, 215460), (380, 214326), (392, 207765), (399, 204120), (405, 201096), (420, 193914), (441, 184680), (456, 178605), (486, 167580), (490, 166212), (504, 161595), (513, 158760), (532, 153090), (540, 150822), (567, 143640), (570, 142884), (588, 138510), (630, 129276), (648, 125685), (665, 122472), (684, 119070), (729, 111720), (735, 110808), (756, 107730), (760, 107163), (798, 102060), (810, 100548), (840, 96957), (855, 95256), (882, 92340), (931, 87480), (945, 86184), (972, 83790), (980, 83106), (1026, 79380), (1064, 76545), (1080, 75411), (1134, 71820), (1140, 71442), (1176, 69255), (1197, 68040), (1215, 67032), (1260, 64638), (1323, 61560), (1330, 61236), (1368, 59535), (1458, 55860), (1470, 55404), (1512, 53865), (1539, 52920), (1596, 51030), (1620, 50274), (1701, 47880), (1710, 47628), (1764, 46170), (1862, 43740), (1890, 43092), (1944, 41895), (1960, 41553), (1995, 40824), (2052, 39690), (2187, 37240), (2205, 36936), (2268, 35910), (2280, 35721), (2394, 34020), (2430, 33516), (2520, 32319), (2565, 31752), (2646, 30780), (2660, 30618), (2793, 29160), (2835, 28728), (2916, 27930), (2940, 27702), (3078, 26460), (3192, 25515), (3240, 25137), (3402, 23940), (3420, 23814), (3528, 23085), (3591, 22680), (3645, 22344), (3724, 21870), (3780, 21546), (3969, 20520), (3990, 20412), (4104, 19845), (4374, 18620), (4410, 18468), (4536, 17955), (4617, 17640), (4655, 17496), (4788, 17010), (4860, 16758), (5103, 15960), (5130, 15876), (5292, 15390), (5320, 15309), (5586, 14580), (5670, 14364), (5832, 13965), (5880, 13851), (5985, 13608), (6156, 13230), (6615, 12312), (6804, 11970), (6840, 11907), (7182, 11340), (7290, 11172), (7448, 10935), (7560, 10773), (7695, 10584), (7938, 10260), (7980, 10206), (8379, 9720), (8505, 9576), (8748, 9310), (8820, 9234)]