172968040

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{1801}}^1$

素因数の和:1840

約数の個数: 80

約数和(自身を含む): 454266180

約数和(自身を除く): 281298140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1801, 1960, 2401, 2744, 3430, 3602, 4802, 6860, 7204, 9005, 9604, 12005, 12607, 13720, 14408, 18010, 19208, 24010, 25214, 36020, 48020, 50428, 63035, 72040, 88249, 96040, 100856, 126070, 176498, 252140, 352996, 441245, 504280, 617743, 705992, 882490, 1235486, 1764980, 2470972, 3088715, 3529960, 4324201, 4941944, 6177430, 8648402, 12354860, 17296804, 21621005, 24709720, 34593608, 43242010, 86484020, 172968040]

約数ペア:

[(1, 172968040), (2, 86484020), (4, 43242010), (5, 34593608), (7, 24709720), (8, 21621005), (10, 17296804), (14, 12354860), (20, 8648402), (28, 6177430), (35, 4941944), (40, 4324201), (49, 3529960), (56, 3088715), (70, 2470972), (98, 1764980), (140, 1235486), (196, 882490), (245, 705992), (280, 617743), (343, 504280), (392, 441245), (490, 352996), (686, 252140), (980, 176498), (1372, 126070), (1715, 100856), (1801, 96040), (1960, 88249), (2401, 72040), (2744, 63035), (3430, 50428), (3602, 48020), (4802, 36020), (6860, 25214), (7204, 24010), (9005, 19208), (9604, 18010), (12005, 14408), (12607, 13720)]