17820760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 43156800

約数和(自身を除く): 25336040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 359, 365, 584, 680, 718, 730, 1241, 1436, 1460, 1795, 2482, 2872, 2920, 3590, 4964, 6103, 6205, 7180, 9928, 12206, 12410, 14360, 24412, 24820, 26207, 30515, 48824, 49640, 52414, 61030, 104828, 122060, 131035, 209656, 244120, 262070, 445519, 524140, 891038, 1048280, 1782076, 2227595, 3564152, 4455190, 8910380, 17820760]

約数ペア:

[(1, 17820760), (2, 8910380), (4, 4455190), (5, 3564152), (8, 2227595), (10, 1782076), (17, 1048280), (20, 891038), (34, 524140), (40, 445519), (68, 262070), (73, 244120), (85, 209656), (136, 131035), (146, 122060), (170, 104828), (292, 61030), (340, 52414), (359, 49640), (365, 48824), (584, 30515), (680, 26207), (718, 24820), (730, 24412), (1241, 14360), (1436, 12410), (1460, 12206), (1795, 9928), (2482, 7180), (2872, 6205), (2920, 6103), (3590, 4964)]