66388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42557}}^1$

素因数の和:42584

約数の個数: 64

約数和(自身を含む): 214492320

約数和(自身を除く): 148103400

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, 42557, 85114, 127671, 170228, 212785, 255342, 340456, 425570, 510684, 553241, 638355, 851140, 1021368, 1106482, 1276710, 1659723, 1702280, 2212964, 2553420, 2766205, 3319446, 4425928, 5106840, 5532410, 6638892, 8298615, 11064820, 13277784, 16597230, 22129640, 33194460, 66388920]

約数ペア:

[(1, 66388920), (2, 33194460), (3, 22129640), (4, 16597230), (5, 13277784), (6, 11064820), (8, 8298615), (10, 6638892), (12, 5532410), (13, 5106840), (15, 4425928), (20, 3319446), (24, 2766205), (26, 2553420), (30, 2212964), (39, 1702280), (40, 1659723), (52, 1276710), (60, 1106482), (65, 1021368), (78, 851140), (104, 638355), (120, 553241), (130, 510684), (156, 425570), (195, 340456), (260, 255342), (312, 212785), (390, 170228), (520, 127671), (780, 85114), (1560, 42557)]