80291400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{2731}}^1$

素因数の和:2764

約数の個数: 144

約数和(自身を含む): 289646640

約数和(自身を除く): 209355240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 1050, 1176, 1225, 1400, 1470, 1960, 2100, 2450, 2731, 2940, 3675, 4200, 4900, 5462, 5880, 7350, 8193, 9800, 10924, 13655, 14700, 16386, 19117, 21848, 27310, 29400, 32772, 38234, 40965, 54620, 57351, 65544, 68275, 76468, 81930, 95585, 109240, 114702, 133819, 136550, 152936, 163860, 191170, 204825, 229404, 267638, 273100, 286755, 327720, 382340, 401457, 409650, 458808, 477925, 535276, 546200, 573510, 669095, 764680, 802914, 819300, 955850, 1070552, 1147020, 1338190, 1433775, 1605828, 1638600, 1911700, 2007285, 2294040, 2676380, 2867550, 3211656, 3345475, 3823400, 4014570, 5352760, 5735100, 6690950, 8029140, 10036425, 11470200, 13381900, 16058280, 20072850, 26763800, 40145700, 80291400]

約数ペア:

[(1, 80291400), (2, 40145700), (3, 26763800), (4, 20072850), (5, 16058280), (6, 13381900), (7, 11470200), (8, 10036425), (10, 8029140), (12, 6690950), (14, 5735100), (15, 5352760), (20, 4014570), (21, 3823400), (24, 3345475), (25, 3211656), (28, 2867550), (30, 2676380), (35, 2294040), (40, 2007285), (42, 1911700), (49, 1638600), (50, 1605828), (56, 1433775), (60, 1338190), (70, 1147020), (75, 1070552), (84, 955850), (98, 819300), (100, 802914), (105, 764680), (120, 669095), (140, 573510), (147, 546200), (150, 535276), (168, 477925), (175, 458808), (196, 409650), (200, 401457), (210, 382340), (245, 327720), (280, 286755), (294, 273100), (300, 267638), (350, 229404), (392, 204825), (420, 191170), (490, 163860), (525, 152936), (588, 136550), (600, 133819), (700, 114702), (735, 109240), (840, 95585), (980, 81930), (1050, 76468), (1176, 68275), (1225, 65544), (1400, 57351), (1470, 54620), (1960, 40965), (2100, 38234), (2450, 32772), (2731, 29400), (2940, 27310), (3675, 21848), (4200, 19117), (4900, 16386), (5462, 14700), (5880, 13655), (7350, 10924), (8193, 9800)]