31421460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 101928960

約数和(自身を除く): 70507500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 947, 948, 1106, 1185, 1580, 1659, 1894, 2212, 2370, 2765, 2841, 3318, 3788, 4735, 4740, 5530, 5682, 6629, 6636, 8295, 9470, 11060, 11364, 13258, 14205, 16590, 18940, 19887, 26516, 28410, 33145, 33180, 39774, 56820, 66290, 74813, 79548, 99435, 132580, 149626, 198870, 224439, 299252, 374065, 397740, 448878, 523691, 748130, 897756, 1047382, 1122195, 1496260, 1571073, 2094764, 2244390, 2618455, 3142146, 4488780, 5236910, 6284292, 7855365, 10473820, 15710730, 31421460]

約数ペア:

[(1, 31421460), (2, 15710730), (3, 10473820), (4, 7855365), (5, 6284292), (6, 5236910), (7, 4488780), (10, 3142146), (12, 2618455), (14, 2244390), (15, 2094764), (20, 1571073), (21, 1496260), (28, 1122195), (30, 1047382), (35, 897756), (42, 748130), (60, 523691), (70, 448878), (79, 397740), (84, 374065), (105, 299252), (140, 224439), (158, 198870), (210, 149626), (237, 132580), (316, 99435), (395, 79548), (420, 74813), (474, 66290), (553, 56820), (790, 39774), (947, 33180), (948, 33145), (1106, 28410), (1185, 26516), (1580, 19887), (1659, 18940), (1894, 16590), (2212, 14205), (2370, 13258), (2765, 11364), (2841, 11060), (3318, 9470), (3788, 8295), (4735, 6636), (4740, 6629), (5530, 5682)]