64422520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 154548000

約数和(自身を除く): 90125480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 449, 680, 844, 898, 1055, 1688, 1796, 2110, 2245, 3587, 3592, 4220, 4490, 7174, 7633, 8440, 8980, 14348, 15266, 17935, 17960, 28696, 30532, 35870, 38165, 61064, 71740, 76330, 94739, 143480, 152660, 189478, 305320, 378956, 473695, 757912, 947390, 1610563, 1894780, 3221126, 3789560, 6442252, 8052815, 12884504, 16105630, 32211260, 64422520]

約数ペア:

[(1, 64422520), (2, 32211260), (4, 16105630), (5, 12884504), (8, 8052815), (10, 6442252), (17, 3789560), (20, 3221126), (34, 1894780), (40, 1610563), (68, 947390), (85, 757912), (136, 473695), (170, 378956), (211, 305320), (340, 189478), (422, 152660), (449, 143480), (680, 94739), (844, 76330), (898, 71740), (1055, 61064), (1688, 38165), (1796, 35870), (2110, 30532), (2245, 28696), (3587, 17960), (3592, 17935), (4220, 15266), (4490, 14348), (7174, 8980), (7633, 8440)]