1644664080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:989

約数の個数: 160

約数和(自身を含む): 5285376000

約数和(自身を除く): 3640711920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 443, 465, 496, 499, 620, 744, 886, 930, 998, 1240, 1329, 1488, 1497, 1772, 1860, 1996, 2215, 2480, 2495, 2658, 2994, 3544, 3720, 3992, 4430, 4990, 5316, 5988, 6645, 7088, 7440, 7485, 7984, 8860, 9980, 10632, 11976, 13290, 13733, 14970, 15469, 17720, 19960, 21264, 23952, 26580, 27466, 29940, 30938, 35440, 39920, 41199, 46407, 53160, 54932, 59880, 61876, 68665, 77345, 82398, 92814, 106320, 109864, 119760, 123752, 137330, 154690, 164796, 185628, 205995, 219728, 221057, 232035, 247504, 274660, 309380, 329592, 371256, 411990, 442114, 464070, 549320, 618760, 659184, 663171, 742512, 823980, 884228, 928140, 1098640, 1105285, 1237520, 1326342, 1647960, 1768456, 1856280, 2210570, 2652684, 3295920, 3315855, 3536912, 3712560, 4421140, 5305368, 6631710, 6852767, 8842280, 10610736, 13263420, 13705534, 17684560, 20558301, 26526840, 27411068, 34263835, 41116602, 53053680, 54822136, 68527670, 82233204, 102791505, 109644272, 137055340, 164466408, 205583010, 274110680, 328932816, 411166020, 548221360, 822332040, 1644664080]

約数ペア:

[(1, 1644664080), (2, 822332040), (3, 548221360), (4, 411166020), (5, 328932816), (6, 274110680), (8, 205583010), (10, 164466408), (12, 137055340), (15, 109644272), (16, 102791505), (20, 82233204), (24, 68527670), (30, 54822136), (31, 53053680), (40, 41116602), (48, 34263835), (60, 27411068), (62, 26526840), (80, 20558301), (93, 17684560), (120, 13705534), (124, 13263420), (155, 10610736), (186, 8842280), (240, 6852767), (248, 6631710), (310, 5305368), (372, 4421140), (443, 3712560), (465, 3536912), (496, 3315855), (499, 3295920), (620, 2652684), (744, 2210570), (886, 1856280), (930, 1768456), (998, 1647960), (1240, 1326342), (1329, 1237520), (1488, 1105285), (1497, 1098640), (1772, 928140), (1860, 884228), (1996, 823980), (2215, 742512), (2480, 663171), (2495, 659184), (2658, 618760), (2994, 549320), (3544, 464070), (3720, 442114), (3992, 411990), (4430, 371256), (4990, 329592), (5316, 309380), (5988, 274660), (6645, 247504), (7088, 232035), (7440, 221057), (7485, 219728), (7984, 205995), (8860, 185628), (9980, 164796), (10632, 154690), (11976, 137330), (13290, 123752), (13733, 119760), (14970, 109864), (15469, 106320), (17720, 92814), (19960, 82398), (21264, 77345), (23952, 68665), (26580, 61876), (27466, 59880), (29940, 54932), (30938, 53160), (35440, 46407), (39920, 41199)]