172840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 515289600

約数和(自身を除く): 342449580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 239, 255, 340, 478, 510, 709, 717, 956, 1020, 1195, 1418, 1434, 2127, 2390, 2836, 2868, 3545, 3585, 4063, 4254, 4780, 7090, 7170, 8126, 8508, 10635, 12053, 12189, 14180, 14340, 16252, 20315, 21270, 24106, 24378, 36159, 40630, 42540, 48212, 48756, 60265, 60945, 72318, 81260, 120530, 121890, 144636, 169451, 180795, 241060, 243780, 338902, 361590, 508353, 677804, 723180, 847255, 1016706, 1694510, 2033412, 2541765, 2880667, 3389020, 5083530, 5761334, 8642001, 10167060, 11522668, 14403335, 17284002, 28806670, 34568004, 43210005, 57613340, 86420010, 172840020]

約数ペア:

[(1, 172840020), (2, 86420010), (3, 57613340), (4, 43210005), (5, 34568004), (6, 28806670), (10, 17284002), (12, 14403335), (15, 11522668), (17, 10167060), (20, 8642001), (30, 5761334), (34, 5083530), (51, 3389020), (60, 2880667), (68, 2541765), (85, 2033412), (102, 1694510), (170, 1016706), (204, 847255), (239, 723180), (255, 677804), (340, 508353), (478, 361590), (510, 338902), (709, 243780), (717, 241060), (956, 180795), (1020, 169451), (1195, 144636), (1418, 121890), (1434, 120530), (2127, 81260), (2390, 72318), (2836, 60945), (2868, 60265), (3545, 48756), (3585, 48212), (4063, 42540), (4254, 40630), (4780, 36159), (7090, 24378), (7170, 24106), (8126, 21270), (8508, 20315), (10635, 16252), (12053, 14340), (12189, 14180)]