89288680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 142954520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 31, 40, 52, 58, 62, 65, 104, 116, 124, 130, 145, 155, 191, 232, 248, 260, 290, 310, 377, 382, 403, 520, 580, 620, 754, 764, 806, 899, 955, 1160, 1240, 1508, 1528, 1612, 1798, 1885, 1910, 2015, 2483, 3016, 3224, 3596, 3770, 3820, 4030, 4495, 4966, 5539, 5921, 7192, 7540, 7640, 8060, 8990, 9932, 11078, 11687, 11842, 12415, 15080, 16120, 17980, 19864, 22156, 23374, 23684, 24830, 27695, 29605, 35960, 44312, 46748, 47368, 49660, 55390, 58435, 59210, 72007, 76973, 93496, 99320, 110780, 116870, 118420, 144014, 153946, 171709, 221560, 233740, 236840, 288028, 307892, 343418, 360035, 384865, 467480, 576056, 615784, 686836, 720070, 769730, 858545, 1373672, 1440140, 1539460, 1717090, 2232217, 2880280, 3078920, 3434180, 4464434, 6868360, 8928868, 11161085, 17857736, 22322170, 44644340, 89288680]

約数ペア:

[(1, 89288680), (2, 44644340), (4, 22322170), (5, 17857736), (8, 11161085), (10, 8928868), (13, 6868360), (20, 4464434), (26, 3434180), (29, 3078920), (31, 2880280), (40, 2232217), (52, 1717090), (58, 1539460), (62, 1440140), (65, 1373672), (104, 858545), (116, 769730), (124, 720070), (130, 686836), (145, 615784), (155, 576056), (191, 467480), (232, 384865), (248, 360035), (260, 343418), (290, 307892), (310, 288028), (377, 236840), (382, 233740), (403, 221560), (520, 171709), (580, 153946), (620, 144014), (754, 118420), (764, 116870), (806, 110780), (899, 99320), (955, 93496), (1160, 76973), (1240, 72007), (1508, 59210), (1528, 58435), (1612, 55390), (1798, 49660), (1885, 47368), (1910, 46748), (2015, 44312), (2483, 35960), (3016, 29605), (3224, 27695), (3596, 24830), (3770, 23684), (3820, 23374), (4030, 22156), (4495, 19864), (4966, 17980), (5539, 16120), (5921, 15080), (7192, 12415), (7540, 11842), (7640, 11687), (8060, 11078), (8990, 9932)]