30402840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19489}}^1$

素因数の和:19516

約数の個数: 64

約数和(自身を含む): 98229600

約数和(自身を除く): 67826760

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, 19489, 38978, 58467, 77956, 97445, 116934, 155912, 194890, 233868, 253357, 292335, 389780, 467736, 506714, 584670, 760071, 779560, 1013428, 1169340, 1266785, 1520142, 2026856, 2338680, 2533570, 3040284, 3800355, 5067140, 6080568, 7600710, 10134280, 15201420, 30402840]

約数ペア:

[(1, 30402840), (2, 15201420), (3, 10134280), (4, 7600710), (5, 6080568), (6, 5067140), (8, 3800355), (10, 3040284), (12, 2533570), (13, 2338680), (15, 2026856), (20, 1520142), (24, 1266785), (26, 1169340), (30, 1013428), (39, 779560), (40, 760071), (52, 584670), (60, 506714), (65, 467736), (78, 389780), (104, 292335), (120, 253357), (130, 233868), (156, 194890), (195, 155912), (260, 116934), (312, 97445), (390, 77956), (520, 58467), (780, 38978), (1560, 19489)]