23415920

素因数分解:

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

素因数の和:135

約数の個数: 120

約数和(自身を含む): 62339760

約数和(自身を除く): 38923840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 59, 80, 82, 88, 110, 118, 121, 164, 176, 205, 220, 236, 242, 295, 328, 410, 440, 451, 472, 484, 590, 605, 649, 656, 820, 880, 902, 944, 968, 1180, 1210, 1298, 1640, 1804, 1936, 2255, 2360, 2419, 2420, 2596, 3245, 3280, 3608, 4510, 4720, 4838, 4840, 4961, 5192, 6490, 7139, 7216, 9020, 9676, 9680, 9922, 10384, 12095, 12980, 14278, 18040, 19352, 19844, 24190, 24805, 25960, 26609, 28556, 35695, 36080, 38704, 39688, 48380, 49610, 51920, 53218, 57112, 71390, 79376, 96760, 99220, 106436, 114224, 133045, 142780, 193520, 198440, 212872, 266090, 285560, 292699, 396880, 425744, 532180, 571120, 585398, 1064360, 1170796, 1463495, 2128720, 2341592, 2926990, 4683184, 5853980, 11707960, 23415920]

約数ペア:

[(1, 23415920), (2, 11707960), (4, 5853980), (5, 4683184), (8, 2926990), (10, 2341592), (11, 2128720), (16, 1463495), (20, 1170796), (22, 1064360), (40, 585398), (41, 571120), (44, 532180), (55, 425744), (59, 396880), (80, 292699), (82, 285560), (88, 266090), (110, 212872), (118, 198440), (121, 193520), (164, 142780), (176, 133045), (205, 114224), (220, 106436), (236, 99220), (242, 96760), (295, 79376), (328, 71390), (410, 57112), (440, 53218), (451, 51920), (472, 49610), (484, 48380), (590, 39688), (605, 38704), (649, 36080), (656, 35695), (820, 28556), (880, 26609), (902, 25960), (944, 24805), (968, 24190), (1180, 19844), (1210, 19352), (1298, 18040), (1640, 14278), (1804, 12980), (1936, 12095), (2255, 10384), (2360, 9922), (2419, 9680), (2420, 9676), (2596, 9020), (3245, 7216), (3280, 7139), (3608, 6490), (4510, 5192), (4720, 4961), (4838, 4840)]