53151720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{691}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 159935040

約数和(自身を除く): 106783320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 691, 1282, 1382, 1923, 2073, 2564, 2764, 3205, 3455, 3846, 4146, 5128, 5528, 6410, 6910, 7692, 8292, 9615, 10365, 12820, 13820, 15384, 16584, 19230, 20730, 25640, 27640, 38460, 41460, 76920, 82920, 442931, 885862, 1328793, 1771724, 2214655, 2657586, 3543448, 4429310, 5315172, 6643965, 8858620, 10630344, 13287930, 17717240, 26575860, 53151720]

約数ペア:

[(1, 53151720), (2, 26575860), (3, 17717240), (4, 13287930), (5, 10630344), (6, 8858620), (8, 6643965), (10, 5315172), (12, 4429310), (15, 3543448), (20, 2657586), (24, 2214655), (30, 1771724), (40, 1328793), (60, 885862), (120, 442931), (641, 82920), (691, 76920), (1282, 41460), (1382, 38460), (1923, 27640), (2073, 25640), (2564, 20730), (2764, 19230), (3205, 16584), (3455, 15384), (3846, 13820), (4146, 12820), (5128, 10365), (5528, 9615), (6410, 8292), (6910, 7692)]