551623140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2642

約数の個数: 144

約数和(自身を含む): 1797344640

約数和(自身を除く): 1245721500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 142, 153, 170, 180, 204, 213, 255, 284, 306, 340, 355, 426, 510, 612, 639, 710, 765, 852, 1020, 1065, 1207, 1278, 1420, 1530, 2130, 2414, 2539, 2556, 3060, 3195, 3621, 4260, 4828, 5078, 6035, 6390, 7242, 7617, 10156, 10863, 12070, 12695, 12780, 14484, 15234, 18105, 21726, 22851, 24140, 25390, 30468, 36210, 38085, 43163, 43452, 45702, 50780, 54315, 72420, 76170, 86326, 91404, 108630, 114255, 129489, 152340, 172652, 180269, 215815, 217260, 228510, 258978, 360538, 388467, 431630, 457020, 517956, 540807, 647445, 721076, 776934, 863260, 901345, 1081614, 1294890, 1553868, 1622421, 1802690, 1942335, 2163228, 2589780, 2704035, 3064573, 3244842, 3605380, 3884670, 5408070, 6129146, 6489684, 7769340, 8112105, 9193719, 10816140, 12258292, 15322865, 16224210, 18387438, 27581157, 30645730, 32448420, 36774876, 45968595, 55162314, 61291460, 91937190, 110324628, 137905785, 183874380, 275811570, 551623140]

約数ペア:

[(1, 551623140), (2, 275811570), (3, 183874380), (4, 137905785), (5, 110324628), (6, 91937190), (9, 61291460), (10, 55162314), (12, 45968595), (15, 36774876), (17, 32448420), (18, 30645730), (20, 27581157), (30, 18387438), (34, 16224210), (36, 15322865), (45, 12258292), (51, 10816140), (60, 9193719), (68, 8112105), (71, 7769340), (85, 6489684), (90, 6129146), (102, 5408070), (142, 3884670), (153, 3605380), (170, 3244842), (180, 3064573), (204, 2704035), (213, 2589780), (255, 2163228), (284, 1942335), (306, 1802690), (340, 1622421), (355, 1553868), (426, 1294890), (510, 1081614), (612, 901345), (639, 863260), (710, 776934), (765, 721076), (852, 647445), (1020, 540807), (1065, 517956), (1207, 457020), (1278, 431630), (1420, 388467), (1530, 360538), (2130, 258978), (2414, 228510), (2539, 217260), (2556, 215815), (3060, 180269), (3195, 172652), (3621, 152340), (4260, 129489), (4828, 114255), (5078, 108630), (6035, 91404), (6390, 86326), (7242, 76170), (7617, 72420), (10156, 54315), (10863, 50780), (12070, 45702), (12695, 43452), (12780, 43163), (14484, 38085), (15234, 36210), (18105, 30468), (21726, 25390), (22851, 24140)]