2990988160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 7718274720

約数和(自身を除く): 4727286560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 128, 136, 157, 160, 170, 206, 272, 289, 314, 320, 340, 412, 515, 544, 578, 628, 640, 680, 785, 824, 1030, 1088, 1156, 1256, 1360, 1445, 1570, 1648, 1751, 2060, 2176, 2312, 2512, 2669, 2720, 2890, 3140, 3296, 3502, 4120, 4624, 5024, 5338, 5440, 5780, 6280, 6592, 7004, 8240, 8755, 9248, 10048, 10676, 10880, 11560, 12560, 13184, 13345, 14008, 16171, 16480, 17510, 18496, 20096, 21352, 23120, 25120, 26690, 28016, 29767, 32342, 32960, 35020, 36992, 42704, 45373, 46240, 50240, 53380, 56032, 59534, 64684, 65920, 70040, 80855, 85408, 90746, 92480, 100480, 106760, 112064, 119068, 129368, 140080, 148835, 161710, 170816, 181492, 184960, 213520, 224128, 226865, 238136, 258736, 274907, 280160, 297670, 323420, 341632, 362984, 427040, 453730, 476272, 517472, 549814, 560320, 595340, 646840, 725968, 854080, 907460, 952544, 1034944, 1099628, 1120640, 1190680, 1293680, 1374535, 1451936, 1708160, 1814920, 1905088, 2069888, 2199256, 2381360, 2587360, 2749070, 2903872, 3629840, 3810176, 4398512, 4673419, 4762720, 5174720, 5498140, 5807744, 7259680, 8797024, 9346838, 9525440, 10349440, 10996280, 14519360, 17594048, 18693676, 19050880, 21992560, 23367095, 29038720, 35188096, 37387352, 43985120, 46734190, 74774704, 87970240, 93468380, 149549408, 175940480, 186936760, 299098816, 373873520, 598197632, 747747040, 1495494080, 2990988160]

約数ペア:

[(1, 2990988160), (2, 1495494080), (4, 747747040), (5, 598197632), (8, 373873520), (10, 299098816), (16, 186936760), (17, 175940480), (20, 149549408), (32, 93468380), (34, 87970240), (40, 74774704), (64, 46734190), (68, 43985120), (80, 37387352), (85, 35188096), (103, 29038720), (128, 23367095), (136, 21992560), (157, 19050880), (160, 18693676), (170, 17594048), (206, 14519360), (272, 10996280), (289, 10349440), (314, 9525440), (320, 9346838), (340, 8797024), (412, 7259680), (515, 5807744), (544, 5498140), (578, 5174720), (628, 4762720), (640, 4673419), (680, 4398512), (785, 3810176), (824, 3629840), (1030, 2903872), (1088, 2749070), (1156, 2587360), (1256, 2381360), (1360, 2199256), (1445, 2069888), (1570, 1905088), (1648, 1814920), (1751, 1708160), (2060, 1451936), (2176, 1374535), (2312, 1293680), (2512, 1190680), (2669, 1120640), (2720, 1099628), (2890, 1034944), (3140, 952544), (3296, 907460), (3502, 854080), (4120, 725968), (4624, 646840), (5024, 595340), (5338, 560320), (5440, 549814), (5780, 517472), (6280, 476272), (6592, 453730), (7004, 427040), (8240, 362984), (8755, 341632), (9248, 323420), (10048, 297670), (10676, 280160), (10880, 274907), (11560, 258736), (12560, 238136), (13184, 226865), (13345, 224128), (14008, 213520), (16171, 184960), (16480, 181492), (17510, 170816), (18496, 161710), (20096, 148835), (21352, 140080), (23120, 129368), (25120, 119068), (26690, 112064), (28016, 106760), (29767, 100480), (32342, 92480), (32960, 90746), (35020, 85408), (36992, 80855), (42704, 70040), (45373, 65920), (46240, 64684), (50240, 59534), (53380, 56032)]