158237660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 393037344

約数和(自身を除く): 234799684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2647, 2989, 4270, 5294, 5978, 8540, 10588, 11956, 13235, 14945, 18529, 26470, 29890, 37058, 52940, 59780, 74116, 92645, 129703, 161467, 185290, 259406, 322934, 370580, 518812, 645868, 648515, 807335, 1130269, 1297030, 1614670, 2260538, 2594060, 3229340, 4521076, 5651345, 7911883, 11302690, 15823766, 22605380, 31647532, 39559415, 79118830, 158237660]

約数ペア:

[(1, 158237660), (2, 79118830), (4, 39559415), (5, 31647532), (7, 22605380), (10, 15823766), (14, 11302690), (20, 7911883), (28, 5651345), (35, 4521076), (49, 3229340), (61, 2594060), (70, 2260538), (98, 1614670), (122, 1297030), (140, 1130269), (196, 807335), (244, 648515), (245, 645868), (305, 518812), (427, 370580), (490, 322934), (610, 259406), (854, 185290), (980, 161467), (1220, 129703), (1708, 92645), (2135, 74116), (2647, 59780), (2989, 52940), (4270, 37058), (5294, 29890), (5978, 26470), (8540, 18529), (10588, 14945), (11956, 13235)]