1566011720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3947}}^1$

素因数の和:4087

約数の個数: 128

約数和(自身を含む): 4377542400

約数和(自身を除く): 2811530680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 364, 436, 455, 520, 545, 728, 763, 872, 910, 1090, 1417, 1526, 1820, 2180, 2834, 3052, 3640, 3815, 3947, 4360, 5668, 6104, 7085, 7630, 7894, 9919, 11336, 14170, 15260, 15788, 19735, 19838, 27629, 28340, 30520, 31576, 39470, 39676, 49595, 51311, 55258, 56680, 78940, 79352, 99190, 102622, 110516, 138145, 157880, 198380, 205244, 221032, 256555, 276290, 359177, 396760, 410488, 430223, 513110, 552580, 718354, 860446, 1026220, 1105160, 1436708, 1720892, 1795885, 2052440, 2151115, 2873416, 3011561, 3441784, 3591770, 4302230, 5592899, 6023122, 7183540, 8604460, 11185798, 12046244, 14367080, 15057805, 17208920, 22371596, 24092488, 27964495, 30115610, 39150293, 44743192, 55928990, 60231220, 78300586, 111857980, 120462440, 156601172, 195751465, 223715960, 313202344, 391502930, 783005860, 1566011720]

約数ペア:

[(1, 1566011720), (2, 783005860), (4, 391502930), (5, 313202344), (7, 223715960), (8, 195751465), (10, 156601172), (13, 120462440), (14, 111857980), (20, 78300586), (26, 60231220), (28, 55928990), (35, 44743192), (40, 39150293), (52, 30115610), (56, 27964495), (65, 24092488), (70, 22371596), (91, 17208920), (104, 15057805), (109, 14367080), (130, 12046244), (140, 11185798), (182, 8604460), (218, 7183540), (260, 6023122), (280, 5592899), (364, 4302230), (436, 3591770), (455, 3441784), (520, 3011561), (545, 2873416), (728, 2151115), (763, 2052440), (872, 1795885), (910, 1720892), (1090, 1436708), (1417, 1105160), (1526, 1026220), (1820, 860446), (2180, 718354), (2834, 552580), (3052, 513110), (3640, 430223), (3815, 410488), (3947, 396760), (4360, 359177), (5668, 276290), (6104, 256555), (7085, 221032), (7630, 205244), (7894, 198380), (9919, 157880), (11336, 138145), (14170, 110516), (15260, 102622), (15788, 99190), (19735, 79352), (19838, 78940), (27629, 56680), (28340, 55258), (30520, 51311), (31576, 49595), (39470, 39676)]