64654920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:620

約数の個数: 192

約数和(自身を含む): 237556800

約数和(自身を除く): 172901880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 563, 580, 638, 660, 696, 792, 870, 957, 990, 1044, 1126, 1160, 1276, 1305, 1320, 1595, 1689, 1740, 1914, 1980, 2088, 2252, 2552, 2610, 2815, 2871, 3190, 3378, 3480, 3828, 3960, 4504, 4785, 5067, 5220, 5630, 5742, 6193, 6380, 6756, 7656, 8445, 9570, 10134, 10440, 11260, 11484, 12386, 12760, 13512, 14355, 16327, 16890, 18579, 19140, 20268, 22520, 22968, 24772, 25335, 28710, 30965, 32654, 33780, 37158, 38280, 40536, 48981, 49544, 50670, 55737, 57420, 61930, 65308, 67560, 74316, 81635, 92895, 97962, 101340, 111474, 114840, 123860, 130616, 146943, 148632, 163270, 179597, 185790, 195924, 202680, 222948, 244905, 247720, 278685, 293886, 326540, 359194, 371580, 391848, 445896, 489810, 538791, 557370, 587772, 653080, 718388, 734715, 743160, 897985, 979620, 1077582, 1114740, 1175544, 1436776, 1469430, 1616373, 1795970, 1959240, 2155164, 2229480, 2693955, 2938860, 3232746, 3591940, 4310328, 5387910, 5877720, 6465492, 7183880, 8081865, 10775820, 12930984, 16163730, 21551640, 32327460, 64654920]

約数ペア:

[(1, 64654920), (2, 32327460), (3, 21551640), (4, 16163730), (5, 12930984), (6, 10775820), (8, 8081865), (9, 7183880), (10, 6465492), (11, 5877720), (12, 5387910), (15, 4310328), (18, 3591940), (20, 3232746), (22, 2938860), (24, 2693955), (29, 2229480), (30, 2155164), (33, 1959240), (36, 1795970), (40, 1616373), (44, 1469430), (45, 1436776), (55, 1175544), (58, 1114740), (60, 1077582), (66, 979620), (72, 897985), (87, 743160), (88, 734715), (90, 718388), (99, 653080), (110, 587772), (116, 557370), (120, 538791), (132, 489810), (145, 445896), (165, 391848), (174, 371580), (180, 359194), (198, 326540), (220, 293886), (232, 278685), (261, 247720), (264, 244905), (290, 222948), (319, 202680), (330, 195924), (348, 185790), (360, 179597), (396, 163270), (435, 148632), (440, 146943), (495, 130616), (522, 123860), (563, 114840), (580, 111474), (638, 101340), (660, 97962), (696, 92895), (792, 81635), (870, 74316), (957, 67560), (990, 65308), (1044, 61930), (1126, 57420), (1160, 55737), (1276, 50670), (1305, 49544), (1320, 48981), (1595, 40536), (1689, 38280), (1740, 37158), (1914, 33780), (1980, 32654), (2088, 30965), (2252, 28710), (2552, 25335), (2610, 24772), (2815, 22968), (2871, 22520), (3190, 20268), (3378, 19140), (3480, 18579), (3828, 16890), (3960, 16327), (4504, 14355), (4785, 13512), (5067, 12760), (5220, 12386), (5630, 11484), (5742, 11260), (6193, 10440), (6380, 10134), (6756, 9570), (7656, 8445)]