72951320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2724

約数の個数: 64

約数和(自身を含む): 180169920

約数和(自身を除く): 107218600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2647, 2756, 3445, 5294, 5512, 6890, 10588, 13235, 13780, 21176, 26470, 27560, 34411, 52940, 68822, 105880, 137644, 140291, 172055, 275288, 280582, 344110, 561164, 688220, 701455, 1122328, 1376440, 1402910, 1823783, 2805820, 3647566, 5611640, 7295132, 9118915, 14590264, 18237830, 36475660, 72951320]

約数ペア:

[(1, 72951320), (2, 36475660), (4, 18237830), (5, 14590264), (8, 9118915), (10, 7295132), (13, 5611640), (20, 3647566), (26, 2805820), (40, 1823783), (52, 1402910), (53, 1376440), (65, 1122328), (104, 701455), (106, 688220), (130, 561164), (212, 344110), (260, 280582), (265, 275288), (424, 172055), (520, 140291), (530, 137644), (689, 105880), (1060, 68822), (1378, 52940), (2120, 34411), (2647, 27560), (2756, 26470), (3445, 21176), (5294, 13780), (5512, 13235), (6890, 10588)]