17817640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 24639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 181, 184, 214, 230, 362, 428, 460, 535, 724, 856, 905, 920, 1070, 1448, 1810, 2140, 2461, 3620, 4163, 4280, 4922, 7240, 8326, 9844, 12305, 16652, 19367, 19688, 20815, 24610, 33304, 38734, 41630, 49220, 77468, 83260, 96835, 98440, 154936, 166520, 193670, 387340, 445441, 774680, 890882, 1781764, 2227205, 3563528, 4454410, 8908820, 17817640]

約数ペア:

[(1, 17817640), (2, 8908820), (4, 4454410), (5, 3563528), (8, 2227205), (10, 1781764), (20, 890882), (23, 774680), (40, 445441), (46, 387340), (92, 193670), (107, 166520), (115, 154936), (181, 98440), (184, 96835), (214, 83260), (230, 77468), (362, 49220), (428, 41630), (460, 38734), (535, 33304), (724, 24610), (856, 20815), (905, 19688), (920, 19367), (1070, 16652), (1448, 12305), (1810, 9844), (2140, 8326), (2461, 7240), (3620, 4922), (4163, 4280)]