66438840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42589}}^1$

素因数の和:42616

約数の個数: 64

約数和(自身を含む): 214653600

約数和(自身を除く): 148214760

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, 42589, 85178, 127767, 170356, 212945, 255534, 340712, 425890, 511068, 553657, 638835, 851780, 1022136, 1107314, 1277670, 1660971, 1703560, 2214628, 2555340, 2768285, 3321942, 4429256, 5110680, 5536570, 6643884, 8304855, 11073140, 13287768, 16609710, 22146280, 33219420, 66438840]

約数ペア:

[(1, 66438840), (2, 33219420), (3, 22146280), (4, 16609710), (5, 13287768), (6, 11073140), (8, 8304855), (10, 6643884), (12, 5536570), (13, 5110680), (15, 4429256), (20, 3321942), (24, 2768285), (26, 2555340), (30, 2214628), (39, 1703560), (40, 1660971), (52, 1277670), (60, 1107314), (65, 1022136), (78, 851780), (104, 638835), (120, 553657), (130, 511068), (156, 425890), (195, 340712), (260, 255534), (312, 212945), (390, 170356), (520, 127767), (780, 85178), (1560, 42589)]