30830280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19763}}^1$

素因数の和:19790

約数の個数: 64

約数和(自身を含む): 99610560

約数和(自身を除く): 68780280

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, 19763, 39526, 59289, 79052, 98815, 118578, 158104, 197630, 237156, 256919, 296445, 395260, 474312, 513838, 592890, 770757, 790520, 1027676, 1185780, 1284595, 1541514, 2055352, 2371560, 2569190, 3083028, 3853785, 5138380, 6166056, 7707570, 10276760, 15415140, 30830280]

約数ペア:

[(1, 30830280), (2, 15415140), (3, 10276760), (4, 7707570), (5, 6166056), (6, 5138380), (8, 3853785), (10, 3083028), (12, 2569190), (13, 2371560), (15, 2055352), (20, 1541514), (24, 1284595), (26, 1185780), (30, 1027676), (39, 790520), (40, 770757), (52, 592890), (60, 513838), (65, 474312), (78, 395260), (104, 296445), (120, 256919), (130, 237156), (156, 197630), (195, 158104), (260, 118578), (312, 98815), (390, 79052), (520, 59289), (780, 39526), (1560, 19763)]