228270840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1173

約数の個数: 128

約数和(自身を含む): 785963520

約数和(自身を除く): 557692680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 662, 821, 840, 993, 1324, 1642, 1655, 1986, 2317, 2463, 2648, 3284, 3310, 3972, 4105, 4634, 4926, 4965, 5747, 6568, 6620, 6951, 7944, 8210, 9268, 9852, 9930, 11494, 11585, 12315, 13240, 13902, 16420, 17241, 18536, 19704, 19860, 22988, 23170, 24630, 27804, 28735, 32840, 34482, 34755, 39720, 45976, 46340, 49260, 55608, 57470, 68964, 69510, 86205, 92680, 98520, 114940, 137928, 139020, 172410, 229880, 271751, 278040, 344820, 543502, 689640, 815253, 1087004, 1358755, 1630506, 1902257, 2174008, 2717510, 3261012, 3804514, 4076265, 5435020, 5706771, 6522024, 7609028, 8152530, 9511285, 10870040, 11413542, 15218056, 16305060, 19022570, 22827084, 28533855, 32610120, 38045140, 45654168, 57067710, 76090280, 114135420, 228270840]

約数ペア:

[(1, 228270840), (2, 114135420), (3, 76090280), (4, 57067710), (5, 45654168), (6, 38045140), (7, 32610120), (8, 28533855), (10, 22827084), (12, 19022570), (14, 16305060), (15, 15218056), (20, 11413542), (21, 10870040), (24, 9511285), (28, 8152530), (30, 7609028), (35, 6522024), (40, 5706771), (42, 5435020), (56, 4076265), (60, 3804514), (70, 3261012), (84, 2717510), (105, 2174008), (120, 1902257), (140, 1630506), (168, 1358755), (210, 1087004), (280, 815253), (331, 689640), (420, 543502), (662, 344820), (821, 278040), (840, 271751), (993, 229880), (1324, 172410), (1642, 139020), (1655, 137928), (1986, 114940), (2317, 98520), (2463, 92680), (2648, 86205), (3284, 69510), (3310, 68964), (3972, 57470), (4105, 55608), (4634, 49260), (4926, 46340), (4965, 45976), (5747, 39720), (6568, 34755), (6620, 34482), (6951, 32840), (7944, 28735), (8210, 27804), (9268, 24630), (9852, 23170), (9930, 22988), (11494, 19860), (11585, 19704), (12315, 18536), (13240, 17241), (13902, 16420)]