28156996920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18049357}}^1$

素因数の和:18049384

約数の個数: 64

約数和(自身を含む): 90968764320

約数和(自身を除く): 62811767400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18049357, 36098714, 54148071, 72197428, 90246785, 108296142, 144394856, 180493570, 216592284, 234641641, 270740355, 360987140, 433184568, 469283282, 541480710, 703924923, 721974280, 938566564, 1082961420, 1173208205, 1407849846, 1877133128, 2165922840, 2346416410, 2815699692, 3519624615, 4692832820, 5631399384, 7039249230, 9385665640, 14078498460, 28156996920]

約数ペア:

[(1, 28156996920), (2, 14078498460), (3, 9385665640), (4, 7039249230), (5, 5631399384), (6, 4692832820), (8, 3519624615), (10, 2815699692), (12, 2346416410), (13, 2165922840), (15, 1877133128), (20, 1407849846), (24, 1173208205), (26, 1082961420), (30, 938566564), (39, 721974280), (40, 703924923), (52, 541480710), (60, 469283282), (65, 433184568), (78, 360987140), (104, 270740355), (120, 234641641), (130, 216592284), (156, 180493570), (195, 144394856), (260, 108296142), (312, 90246785), (390, 72197428), (520, 54148071), (780, 36098714), (1560, 18049357)]