1639560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 5302080

約数和(自身を除く): 3662520

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, 1051, 1560, 2102, 3153, 4204, 5255, 6306, 8408, 10510, 12612, 13663, 15765, 21020, 25224, 27326, 31530, 40989, 42040, 54652, 63060, 68315, 81978, 109304, 126120, 136630, 163956, 204945, 273260, 327912, 409890, 546520, 819780, 1639560]

約数ペア:

[(1, 1639560), (2, 819780), (3, 546520), (4, 409890), (5, 327912), (6, 273260), (8, 204945), (10, 163956), (12, 136630), (13, 126120), (15, 109304), (20, 81978), (24, 68315), (26, 63060), (30, 54652), (39, 42040), (40, 40989), (52, 31530), (60, 27326), (65, 25224), (78, 21020), (104, 15765), (120, 13663), (130, 12612), (156, 10510), (195, 8408), (260, 6306), (312, 5255), (390, 4204), (520, 3153), (780, 2102), (1051, 1560)]