128358840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62921}}^1$

素因数の和:62952

約数の個数: 64

約数和(自身を含む): 407734560

約数和(自身を除く): 279375720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 62921, 125842, 188763, 251684, 314605, 377526, 503368, 629210, 755052, 943815, 1069657, 1258420, 1510104, 1887630, 2139314, 2516840, 3208971, 3775260, 4278628, 5348285, 6417942, 7550520, 8557256, 10696570, 12835884, 16044855, 21393140, 25671768, 32089710, 42786280, 64179420, 128358840]

約数ペア:

[(1, 128358840), (2, 64179420), (3, 42786280), (4, 32089710), (5, 25671768), (6, 21393140), (8, 16044855), (10, 12835884), (12, 10696570), (15, 8557256), (17, 7550520), (20, 6417942), (24, 5348285), (30, 4278628), (34, 3775260), (40, 3208971), (51, 2516840), (60, 2139314), (68, 1887630), (85, 1510104), (102, 1258420), (120, 1069657), (136, 943815), (170, 755052), (204, 629210), (255, 503368), (340, 377526), (408, 314605), (510, 251684), (680, 188763), (1020, 125842), (2040, 62921)]