157077280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 408481920

約数和(自身を除く): 251404640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 79, 80, 85, 86, 136, 158, 160, 170, 172, 215, 272, 289, 316, 340, 344, 395, 430, 544, 578, 632, 680, 688, 731, 790, 860, 1156, 1264, 1343, 1360, 1376, 1445, 1462, 1580, 1720, 2312, 2528, 2686, 2720, 2890, 2924, 3160, 3397, 3440, 3655, 4624, 5372, 5780, 5848, 6320, 6715, 6794, 6880, 7310, 9248, 10744, 11560, 11696, 12427, 12640, 13430, 13588, 14620, 16985, 21488, 22831, 23120, 23392, 24854, 26860, 27176, 29240, 33970, 42976, 45662, 46240, 49708, 53720, 54352, 57749, 58480, 62135, 67940, 91324, 99416, 107440, 108704, 114155, 115498, 116960, 124270, 135880, 182648, 198832, 214880, 228310, 230996, 248540, 271760, 288745, 365296, 397664, 456620, 461992, 497080, 543520, 577490, 730592, 913240, 923984, 981733, 994160, 1154980, 1826480, 1847968, 1963466, 1988320, 2309960, 3652960, 3926932, 4619920, 4908665, 7853864, 9239840, 9817330, 15707728, 19634660, 31415456, 39269320, 78538640, 157077280]

約数ペア:

[(1, 157077280), (2, 78538640), (4, 39269320), (5, 31415456), (8, 19634660), (10, 15707728), (16, 9817330), (17, 9239840), (20, 7853864), (32, 4908665), (34, 4619920), (40, 3926932), (43, 3652960), (68, 2309960), (79, 1988320), (80, 1963466), (85, 1847968), (86, 1826480), (136, 1154980), (158, 994160), (160, 981733), (170, 923984), (172, 913240), (215, 730592), (272, 577490), (289, 543520), (316, 497080), (340, 461992), (344, 456620), (395, 397664), (430, 365296), (544, 288745), (578, 271760), (632, 248540), (680, 230996), (688, 228310), (731, 214880), (790, 198832), (860, 182648), (1156, 135880), (1264, 124270), (1343, 116960), (1360, 115498), (1376, 114155), (1445, 108704), (1462, 107440), (1580, 99416), (1720, 91324), (2312, 67940), (2528, 62135), (2686, 58480), (2720, 57749), (2890, 54352), (2924, 53720), (3160, 49708), (3397, 46240), (3440, 45662), (3655, 42976), (4624, 33970), (5372, 29240), (5780, 27176), (5848, 26860), (6320, 24854), (6715, 23392), (6794, 23120), (6880, 22831), (7310, 21488), (9248, 16985), (10744, 14620), (11560, 13588), (11696, 13430), (12427, 12640)]