8678120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 21608640

約数和(自身を除く): 12930520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 163, 220, 242, 326, 440, 484, 605, 652, 815, 968, 1210, 1304, 1331, 1630, 1793, 2420, 2662, 3260, 3586, 4840, 5324, 6520, 6655, 7172, 8965, 10648, 13310, 14344, 17930, 19723, 26620, 35860, 39446, 53240, 71720, 78892, 98615, 157784, 197230, 216953, 394460, 433906, 788920, 867812, 1084765, 1735624, 2169530, 4339060, 8678120]

約数ペア:

[(1, 8678120), (2, 4339060), (4, 2169530), (5, 1735624), (8, 1084765), (10, 867812), (11, 788920), (20, 433906), (22, 394460), (40, 216953), (44, 197230), (55, 157784), (88, 98615), (110, 78892), (121, 71720), (163, 53240), (220, 39446), (242, 35860), (326, 26620), (440, 19723), (484, 17930), (605, 14344), (652, 13310), (815, 10648), (968, 8965), (1210, 7172), (1304, 6655), (1331, 6520), (1630, 5324), (1793, 4840), (2420, 3586), (2662, 3260)]