20372960400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1305959}}^1$

素因数の和:1305993

約数の個数: 120

約数和(自身を含む): 70281543360

約数和(自身を除く): 49908582960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 5200, 7800, 15600, 1305959, 2611918, 3917877, 5223836, 6529795, 7835754, 10447672, 13059590, 15671508, 16977467, 19589385, 20895344, 26119180, 31343016, 32648975, 33954934, 39178770, 50932401, 52238360, 62686032, 65297950, 67909868, 78357540, 84887335, 97946925, 101864802, 104476720, 130595900, 135819736, 156715080, 169774670, 195893850, 203729604, 254662005, 261191800, 271639472, 313430160, 339549340, 391787700, 407459208, 424436675, 509324010, 522383600, 679098680, 783575400, 814918416, 848873350, 1018648020, 1273310025, 1358197360, 1567150800, 1697746700, 2037296040, 2546620050, 3395493400, 4074592080, 5093240100, 6790986800, 10186480200, 20372960400]

約数ペア:

[(1, 20372960400), (2, 10186480200), (3, 6790986800), (4, 5093240100), (5, 4074592080), (6, 3395493400), (8, 2546620050), (10, 2037296040), (12, 1697746700), (13, 1567150800), (15, 1358197360), (16, 1273310025), (20, 1018648020), (24, 848873350), (25, 814918416), (26, 783575400), (30, 679098680), (39, 522383600), (40, 509324010), (48, 424436675), (50, 407459208), (52, 391787700), (60, 339549340), (65, 313430160), (75, 271639472), (78, 261191800), (80, 254662005), (100, 203729604), (104, 195893850), (120, 169774670), (130, 156715080), (150, 135819736), (156, 130595900), (195, 104476720), (200, 101864802), (208, 97946925), (240, 84887335), (260, 78357540), (300, 67909868), (312, 65297950), (325, 62686032), (390, 52238360), (400, 50932401), (520, 39178770), (600, 33954934), (624, 32648975), (650, 31343016), (780, 26119180), (975, 20895344), (1040, 19589385), (1200, 16977467), (1300, 15671508), (1560, 13059590), (1950, 10447672), (2600, 7835754), (3120, 6529795), (3900, 5223836), (5200, 3917877), (7800, 2611918), (15600, 1305959)]