84121840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 215566560

約数和(自身を除く): 131444720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 877, 880, 1090, 1199, 1744, 1754, 2180, 2398, 3508, 4360, 4385, 4796, 5995, 7016, 8720, 8770, 9592, 9647, 11990, 14032, 17540, 19184, 19294, 23980, 35080, 38588, 47960, 48235, 70160, 77176, 95593, 95920, 96470, 154352, 191186, 192940, 382372, 385880, 477965, 764744, 771760, 955930, 1051523, 1529488, 1911860, 2103046, 3823720, 4206092, 5257615, 7647440, 8412184, 10515230, 16824368, 21030460, 42060920, 84121840]

約数ペア:

[(1, 84121840), (2, 42060920), (4, 21030460), (5, 16824368), (8, 10515230), (10, 8412184), (11, 7647440), (16, 5257615), (20, 4206092), (22, 3823720), (40, 2103046), (44, 1911860), (55, 1529488), (80, 1051523), (88, 955930), (109, 771760), (110, 764744), (176, 477965), (218, 385880), (220, 382372), (436, 192940), (440, 191186), (545, 154352), (872, 96470), (877, 95920), (880, 95593), (1090, 77176), (1199, 70160), (1744, 48235), (1754, 47960), (2180, 38588), (2398, 35080), (3508, 23980), (4360, 19294), (4385, 19184), (4796, 17540), (5995, 14032), (7016, 11990), (8720, 9647), (8770, 9592)]