66864420

素因数分解:

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

素因数の和:77

約数の個数: 288

約数和(自身を含む): 256032000

約数和(自身を除く): 189167580

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, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 343, 361, 378, 380, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 686, 722, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1029, 1083, 1140, 1197, 1260, 1323, 1330, 1372, 1444, 1470, 1596, 1710, 1715, 1764, 1805, 1862, 1890, 1995, 2052, 2058, 2166, 2205, 2394, 2527, 2565, 2646, 2660, 2793, 2940, 3087, 3249, 3420, 3430, 3591, 3610, 3724, 3780, 3990, 4116, 4332, 4410, 4655, 4788, 5054, 5130, 5145, 5292, 5415, 5586, 5985, 6174, 6498, 6517, 6615, 6860, 7182, 7220, 7581, 7980, 8379, 8820, 9261, 9310, 9747, 10108, 10260, 10290, 10830, 11172, 11970, 12348, 12635, 12996, 13034, 13230, 13965, 14364, 15162, 15435, 16245, 16758, 17689, 17955, 18522, 18620, 19494, 19551, 20580, 21660, 22743, 23940, 25137, 25270, 26068, 26460, 27930, 30324, 30870, 32490, 32585, 33516, 35378, 35910, 37044, 37905, 38988, 39102, 41895, 45486, 46305, 48735, 50274, 50540, 53067, 55860, 58653, 61740, 64980, 65170, 68229, 70756, 71820, 75810, 78204, 83790, 88445, 90972, 92610, 97470, 97755, 100548, 106134, 113715, 117306, 123823, 125685, 130340, 136458, 151620, 159201, 167580, 175959, 176890, 185220, 194940, 195510, 212268, 227430, 234612, 247646, 251370, 265335, 272916, 293265, 318402, 341145, 351918, 353780, 371469, 391020, 454860, 477603, 495292, 502740, 530670, 586530, 619115, 636804, 682290, 703836, 742938, 796005, 879795, 955206, 1061340, 1114407, 1173060, 1238230, 1364580, 1485876, 1592010, 1759590, 1857345, 1910412, 2228814, 2388015, 2476460, 3184020, 3343221, 3519180, 3714690, 4457628, 4776030, 5572035, 6686442, 7429380, 9552060, 11144070, 13372884, 16716105, 22288140, 33432210, 66864420]

約数ペア:

[(1, 66864420), (2, 33432210), (3, 22288140), (4, 16716105), (5, 13372884), (6, 11144070), (7, 9552060), (9, 7429380), (10, 6686442), (12, 5572035), (14, 4776030), (15, 4457628), (18, 3714690), (19, 3519180), (20, 3343221), (21, 3184020), (27, 2476460), (28, 2388015), (30, 2228814), (35, 1910412), (36, 1857345), (38, 1759590), (42, 1592010), (45, 1485876), (49, 1364580), (54, 1238230), (57, 1173060), (60, 1114407), (63, 1061340), (70, 955206), (76, 879795), (84, 796005), (90, 742938), (95, 703836), (98, 682290), (105, 636804), (108, 619115), (114, 586530), (126, 530670), (133, 502740), (135, 495292), (140, 477603), (147, 454860), (171, 391020), (180, 371469), (189, 353780), (190, 351918), (196, 341145), (210, 318402), (228, 293265), (245, 272916), (252, 265335), (266, 251370), (270, 247646), (285, 234612), (294, 227430), (315, 212268), (342, 195510), (343, 194940), (361, 185220), (378, 176890), (380, 175959), (399, 167580), (420, 159201), (441, 151620), (490, 136458), (513, 130340), (532, 125685), (540, 123823), (570, 117306), (588, 113715), (630, 106134), (665, 100548), (684, 97755), (686, 97470), (722, 92610), (735, 90972), (756, 88445), (798, 83790), (855, 78204), (882, 75810), (931, 71820), (945, 70756), (980, 68229), (1026, 65170), (1029, 64980), (1083, 61740), (1140, 58653), (1197, 55860), (1260, 53067), (1323, 50540), (1330, 50274), (1372, 48735), (1444, 46305), (1470, 45486), (1596, 41895), (1710, 39102), (1715, 38988), (1764, 37905), (1805, 37044), (1862, 35910), (1890, 35378), (1995, 33516), (2052, 32585), (2058, 32490), (2166, 30870), (2205, 30324), (2394, 27930), (2527, 26460), (2565, 26068), (2646, 25270), (2660, 25137), (2793, 23940), (2940, 22743), (3087, 21660), (3249, 20580), (3420, 19551), (3430, 19494), (3591, 18620), (3610, 18522), (3724, 17955), (3780, 17689), (3990, 16758), (4116, 16245), (4332, 15435), (4410, 15162), (4655, 14364), (4788, 13965), (5054, 13230), (5130, 13034), (5145, 12996), (5292, 12635), (5415, 12348), (5586, 11970), (5985, 11172), (6174, 10830), (6498, 10290), (6517, 10260), (6615, 10108), (6860, 9747), (7182, 9310), (7220, 9261), (7581, 8820), (7980, 8379)]