681555420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41609}}^1$

素因数の和:41644

約数の個数: 144

約数和(自身を含む): 2544534720

約数和(自身を除く): 1862979300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 41609, 83218, 124827, 166436, 208045, 249654, 291263, 374481, 416090, 499308, 540917, 582526, 624135, 748962, 832180, 873789, 1081834, 1165052, 1248270, 1456315, 1497924, 1622751, 1747578, 1872405, 2163668, 2496540, 2621367, 2704585, 2912630, 3245502, 3495156, 3744810, 3786419, 4368945, 4868253, 5242734, 5409170, 5825260, 6491004, 7489620, 7572838, 8113755, 8737890, 9736506, 10485468, 10818340, 11359257, 13106835, 15145676, 16227510, 17475780, 18932095, 19473012, 22718514, 24341265, 26213670, 32455020, 34077771, 37864190, 45437028, 48682530, 52427340, 56796285, 68155542, 75728380, 97365060, 113592570, 136311084, 170388855, 227185140, 340777710, 681555420]

約数ペア:

[(1, 681555420), (2, 340777710), (3, 227185140), (4, 170388855), (5, 136311084), (6, 113592570), (7, 97365060), (9, 75728380), (10, 68155542), (12, 56796285), (13, 52427340), (14, 48682530), (15, 45437028), (18, 37864190), (20, 34077771), (21, 32455020), (26, 26213670), (28, 24341265), (30, 22718514), (35, 19473012), (36, 18932095), (39, 17475780), (42, 16227510), (45, 15145676), (52, 13106835), (60, 11359257), (63, 10818340), (65, 10485468), (70, 9736506), (78, 8737890), (84, 8113755), (90, 7572838), (91, 7489620), (105, 6491004), (117, 5825260), (126, 5409170), (130, 5242734), (140, 4868253), (156, 4368945), (180, 3786419), (182, 3744810), (195, 3495156), (210, 3245502), (234, 2912630), (252, 2704585), (260, 2621367), (273, 2496540), (315, 2163668), (364, 1872405), (390, 1747578), (420, 1622751), (455, 1497924), (468, 1456315), (546, 1248270), (585, 1165052), (630, 1081834), (780, 873789), (819, 832180), (910, 748962), (1092, 624135), (1170, 582526), (1260, 540917), (1365, 499308), (1638, 416090), (1820, 374481), (2340, 291263), (2730, 249654), (3276, 208045), (4095, 166436), (5460, 124827), (8190, 83218), (16380, 41609)]