172828720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 417973248

約数和(自身を除く): 245144528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 307, 310, 454, 496, 614, 620, 908, 1135, 1228, 1240, 1535, 1816, 2270, 2456, 2480, 3070, 3632, 4540, 4912, 6140, 7037, 9080, 9517, 12280, 14074, 18160, 19034, 24560, 28148, 35185, 38068, 47585, 56296, 69689, 70370, 76136, 95170, 112592, 139378, 140740, 152272, 190340, 278756, 281480, 348445, 380680, 557512, 562960, 696890, 761360, 1115024, 1393780, 2160359, 2787560, 4320718, 5575120, 8641436, 10801795, 17282872, 21603590, 34565744, 43207180, 86414360, 172828720]

約数ペア:

[(1, 172828720), (2, 86414360), (4, 43207180), (5, 34565744), (8, 21603590), (10, 17282872), (16, 10801795), (20, 8641436), (31, 5575120), (40, 4320718), (62, 2787560), (80, 2160359), (124, 1393780), (155, 1115024), (227, 761360), (248, 696890), (307, 562960), (310, 557512), (454, 380680), (496, 348445), (614, 281480), (620, 278756), (908, 190340), (1135, 152272), (1228, 140740), (1240, 139378), (1535, 112592), (1816, 95170), (2270, 76136), (2456, 70370), (2480, 69689), (3070, 56296), (3632, 47585), (4540, 38068), (4912, 35185), (6140, 28148), (7037, 24560), (9080, 19034), (9517, 18160), (12280, 14074)]