65560640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 168981120

約数和(自身を除く): 103420480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 152, 160, 164, 190, 205, 263, 304, 320, 328, 380, 410, 526, 608, 656, 760, 779, 820, 1052, 1216, 1312, 1315, 1520, 1558, 1640, 2104, 2624, 2630, 3040, 3116, 3280, 3895, 4208, 4997, 5260, 6080, 6232, 6560, 7790, 8416, 9994, 10520, 10783, 12464, 13120, 15580, 16832, 19988, 21040, 21566, 24928, 24985, 31160, 39976, 42080, 43132, 49856, 49970, 53915, 62320, 79952, 84160, 86264, 99940, 107830, 124640, 159904, 172528, 199880, 204877, 215660, 249280, 319808, 345056, 399760, 409754, 431320, 690112, 799520, 819508, 862640, 1024385, 1599040, 1639016, 1725280, 2048770, 3278032, 3450560, 4097540, 6556064, 8195080, 13112128, 16390160, 32780320, 65560640]

約数ペア:

[(1, 65560640), (2, 32780320), (4, 16390160), (5, 13112128), (8, 8195080), (10, 6556064), (16, 4097540), (19, 3450560), (20, 3278032), (32, 2048770), (38, 1725280), (40, 1639016), (41, 1599040), (64, 1024385), (76, 862640), (80, 819508), (82, 799520), (95, 690112), (152, 431320), (160, 409754), (164, 399760), (190, 345056), (205, 319808), (263, 249280), (304, 215660), (320, 204877), (328, 199880), (380, 172528), (410, 159904), (526, 124640), (608, 107830), (656, 99940), (760, 86264), (779, 84160), (820, 79952), (1052, 62320), (1216, 53915), (1312, 49970), (1315, 49856), (1520, 43132), (1558, 42080), (1640, 39976), (2104, 31160), (2624, 24985), (2630, 24928), (3040, 21566), (3116, 21040), (3280, 19988), (3895, 16832), (4208, 15580), (4997, 13120), (5260, 12464), (6080, 10783), (6232, 10520), (6560, 9994), (7790, 8416)]