2128720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 5624640

約数和(自身を除く): 3495920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 59, 80, 82, 88, 110, 118, 164, 176, 205, 220, 236, 295, 328, 410, 440, 451, 472, 590, 649, 656, 820, 880, 902, 944, 1180, 1298, 1640, 1804, 2255, 2360, 2419, 2596, 3245, 3280, 3608, 4510, 4720, 4838, 5192, 6490, 7216, 9020, 9676, 10384, 12095, 12980, 18040, 19352, 24190, 25960, 26609, 36080, 38704, 48380, 51920, 53218, 96760, 106436, 133045, 193520, 212872, 266090, 425744, 532180, 1064360, 2128720]

約数ペア:

[(1, 2128720), (2, 1064360), (4, 532180), (5, 425744), (8, 266090), (10, 212872), (11, 193520), (16, 133045), (20, 106436), (22, 96760), (40, 53218), (41, 51920), (44, 48380), (55, 38704), (59, 36080), (80, 26609), (82, 25960), (88, 24190), (110, 19352), (118, 18040), (164, 12980), (176, 12095), (205, 10384), (220, 9676), (236, 9020), (295, 7216), (328, 6490), (410, 5192), (440, 4838), (451, 4720), (472, 4510), (590, 3608), (649, 3280), (656, 3245), (820, 2596), (880, 2419), (902, 2360), (944, 2255), (1180, 1804), (1298, 1640)]