66505040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 178583808

約数和(自身を除く): 112078768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1153, 1442, 1648, 2060, 2306, 2884, 3605, 4120, 4612, 5765, 5768, 7210, 8071, 8240, 9224, 11530, 11536, 14420, 16142, 18448, 23060, 28840, 32284, 40355, 46120, 57680, 64568, 80710, 92240, 118759, 129136, 161420, 237518, 322840, 475036, 593795, 645680, 831313, 950072, 1187590, 1662626, 1900144, 2375180, 3325252, 4156565, 4750360, 6650504, 8313130, 9500720, 13301008, 16626260, 33252520, 66505040]

約数ペア:

[(1, 66505040), (2, 33252520), (4, 16626260), (5, 13301008), (7, 9500720), (8, 8313130), (10, 6650504), (14, 4750360), (16, 4156565), (20, 3325252), (28, 2375180), (35, 1900144), (40, 1662626), (56, 1187590), (70, 950072), (80, 831313), (103, 645680), (112, 593795), (140, 475036), (206, 322840), (280, 237518), (412, 161420), (515, 129136), (560, 118759), (721, 92240), (824, 80710), (1030, 64568), (1153, 57680), (1442, 46120), (1648, 40355), (2060, 32284), (2306, 28840), (2884, 23060), (3605, 18448), (4120, 16142), (4612, 14420), (5765, 11536), (5768, 11530), (7210, 9224), (8071, 8240)]