784680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1755480

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, 503, 520, 780, 1006, 1509, 1560, 2012, 2515, 3018, 4024, 5030, 6036, 6539, 7545, 10060, 12072, 13078, 15090, 19617, 20120, 26156, 30180, 32695, 39234, 52312, 60360, 65390, 78468, 98085, 130780, 156936, 196170, 261560, 392340, 784680]

約数ペア:

[(1, 784680), (2, 392340), (3, 261560), (4, 196170), (5, 156936), (6, 130780), (8, 98085), (10, 78468), (12, 65390), (13, 60360), (15, 52312), (20, 39234), (24, 32695), (26, 30180), (30, 26156), (39, 20120), (40, 19617), (52, 15090), (60, 13078), (65, 12072), (78, 10060), (104, 7545), (120, 6539), (130, 6036), (156, 5030), (195, 4024), (260, 3018), (312, 2515), (390, 2012), (503, 1560), (520, 1509), (780, 1006)]