30213680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 81018624

約数和(自身を除く): 50804944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 331, 560, 652, 662, 815, 1141, 1304, 1324, 1630, 1655, 2282, 2317, 2608, 2648, 3260, 3310, 4564, 4634, 5296, 5705, 6520, 6620, 9128, 9268, 11410, 11585, 13040, 13240, 18256, 18536, 22820, 23170, 26480, 37072, 45640, 46340, 53953, 91280, 92680, 107906, 185360, 215812, 269765, 377671, 431624, 539530, 755342, 863248, 1079060, 1510684, 1888355, 2158120, 3021368, 3776710, 4316240, 6042736, 7553420, 15106840, 30213680]

約数ペア:

[(1, 30213680), (2, 15106840), (4, 7553420), (5, 6042736), (7, 4316240), (8, 3776710), (10, 3021368), (14, 2158120), (16, 1888355), (20, 1510684), (28, 1079060), (35, 863248), (40, 755342), (56, 539530), (70, 431624), (80, 377671), (112, 269765), (140, 215812), (163, 185360), (280, 107906), (326, 92680), (331, 91280), (560, 53953), (652, 46340), (662, 45640), (815, 37072), (1141, 26480), (1304, 23170), (1324, 22820), (1630, 18536), (1655, 18256), (2282, 13240), (2317, 13040), (2608, 11585), (2648, 11410), (3260, 9268), (3310, 9128), (4564, 6620), (4634, 6520), (5296, 5705)]