68038180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 171988992

約数和(自身を除く): 103950812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 257, 305, 310, 427, 434, 514, 610, 620, 854, 868, 1028, 1085, 1220, 1285, 1708, 1799, 1891, 2135, 2170, 2570, 3598, 3782, 4270, 4340, 5140, 7196, 7564, 7967, 8540, 8995, 9455, 13237, 15677, 15934, 17990, 18910, 26474, 31354, 31868, 35980, 37820, 39835, 52948, 55769, 62708, 66185, 78385, 79670, 109739, 111538, 132370, 156770, 159340, 219478, 223076, 264740, 278845, 313540, 438956, 485987, 548695, 557690, 971974, 1097390, 1115380, 1943948, 2194780, 2429935, 3401909, 4859870, 6803818, 9719740, 13607636, 17009545, 34019090, 68038180]

約数ペア:

[(1, 68038180), (2, 34019090), (4, 17009545), (5, 13607636), (7, 9719740), (10, 6803818), (14, 4859870), (20, 3401909), (28, 2429935), (31, 2194780), (35, 1943948), (61, 1115380), (62, 1097390), (70, 971974), (122, 557690), (124, 548695), (140, 485987), (155, 438956), (217, 313540), (244, 278845), (257, 264740), (305, 223076), (310, 219478), (427, 159340), (434, 156770), (514, 132370), (610, 111538), (620, 109739), (854, 79670), (868, 78385), (1028, 66185), (1085, 62708), (1220, 55769), (1285, 52948), (1708, 39835), (1799, 37820), (1891, 35980), (2135, 31868), (2170, 31354), (2570, 26474), (3598, 18910), (3782, 17990), (4270, 15934), (4340, 15677), (5140, 13237), (7196, 9455), (7564, 8995), (7967, 8540)]