128302580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 320544000

約数和(自身を除く): 192241420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 317, 343, 413, 490, 590, 634, 686, 826, 980, 1180, 1268, 1372, 1585, 1652, 1715, 2065, 2219, 2891, 3170, 3430, 4130, 4438, 5782, 6340, 6860, 8260, 8876, 11095, 11564, 14455, 15533, 18703, 20237, 22190, 28910, 31066, 37406, 40474, 44380, 57820, 62132, 74812, 77665, 80948, 93515, 101185, 108731, 130921, 155330, 187030, 202370, 217462, 261842, 310660, 374060, 404740, 434924, 523684, 543655, 654605, 916447, 1087310, 1309210, 1832894, 2174620, 2618420, 3665788, 4582235, 6415129, 9164470, 12830258, 18328940, 25660516, 32075645, 64151290, 128302580]

約数ペア:

[(1, 128302580), (2, 64151290), (4, 32075645), (5, 25660516), (7, 18328940), (10, 12830258), (14, 9164470), (20, 6415129), (28, 4582235), (35, 3665788), (49, 2618420), (59, 2174620), (70, 1832894), (98, 1309210), (118, 1087310), (140, 916447), (196, 654605), (236, 543655), (245, 523684), (295, 434924), (317, 404740), (343, 374060), (413, 310660), (490, 261842), (590, 217462), (634, 202370), (686, 187030), (826, 155330), (980, 130921), (1180, 108731), (1268, 101185), (1372, 93515), (1585, 80948), (1652, 77665), (1715, 74812), (2065, 62132), (2219, 57820), (2891, 44380), (3170, 40474), (3430, 37406), (4130, 31066), (4438, 28910), (5782, 22190), (6340, 20237), (6860, 18703), (8260, 15533), (8876, 14455), (11095, 11564)]