71431960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 172627200

約数和(自身を除く): 101195240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 680, 730, 1241, 1439, 1460, 2482, 2878, 2920, 4964, 5756, 6205, 7195, 9928, 11512, 12410, 14390, 24463, 24820, 28780, 48926, 49640, 57560, 97852, 105047, 122315, 195704, 210094, 244630, 420188, 489260, 525235, 840376, 978520, 1050470, 1785799, 2100940, 3571598, 4201880, 7143196, 8928995, 14286392, 17857990, 35715980, 71431960]

約数ペア:

[(1, 71431960), (2, 35715980), (4, 17857990), (5, 14286392), (8, 8928995), (10, 7143196), (17, 4201880), (20, 3571598), (34, 2100940), (40, 1785799), (68, 1050470), (73, 978520), (85, 840376), (136, 525235), (146, 489260), (170, 420188), (292, 244630), (340, 210094), (365, 195704), (584, 122315), (680, 105047), (730, 97852), (1241, 57560), (1439, 49640), (1460, 48926), (2482, 28780), (2878, 24820), (2920, 24463), (4964, 14390), (5756, 12410), (6205, 11512), (7195, 9928)]