28398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13921}}^1$

素因数の和:13952

約数の個数: 64

約数和(自身を含む): 90214560

約数和(自身を除く): 61815720

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, 13921, 27842, 41763, 55684, 69605, 83526, 111368, 139210, 167052, 208815, 236657, 278420, 334104, 417630, 473314, 556840, 709971, 835260, 946628, 1183285, 1419942, 1670520, 1893256, 2366570, 2839884, 3549855, 4733140, 5679768, 7099710, 9466280, 14199420, 28398840]

約数ペア:

[(1, 28398840), (2, 14199420), (3, 9466280), (4, 7099710), (5, 5679768), (6, 4733140), (8, 3549855), (10, 2839884), (12, 2366570), (15, 1893256), (17, 1670520), (20, 1419942), (24, 1183285), (30, 946628), (34, 835260), (40, 709971), (51, 556840), (60, 473314), (68, 417630), (85, 334104), (102, 278420), (120, 236657), (136, 208815), (170, 167052), (204, 139210), (255, 111368), (340, 83526), (408, 69605), (510, 55684), (680, 41763), (1020, 27842), (2040, 13921)]