11903120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 29998080

約数和(自身を除く): 18094960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 191, 205, 304, 328, 380, 382, 410, 656, 760, 764, 779, 820, 955, 1520, 1528, 1558, 1640, 1910, 3056, 3116, 3280, 3629, 3820, 3895, 6232, 7258, 7640, 7790, 7831, 12464, 14516, 15280, 15580, 15662, 18145, 29032, 31160, 31324, 36290, 39155, 58064, 62320, 62648, 72580, 78310, 125296, 145160, 148789, 156620, 290320, 297578, 313240, 595156, 626480, 743945, 1190312, 1487890, 2380624, 2975780, 5951560, 11903120]

約数ペア:

[(1, 11903120), (2, 5951560), (4, 2975780), (5, 2380624), (8, 1487890), (10, 1190312), (16, 743945), (19, 626480), (20, 595156), (38, 313240), (40, 297578), (41, 290320), (76, 156620), (80, 148789), (82, 145160), (95, 125296), (152, 78310), (164, 72580), (190, 62648), (191, 62320), (205, 58064), (304, 39155), (328, 36290), (380, 31324), (382, 31160), (410, 29032), (656, 18145), (760, 15662), (764, 15580), (779, 15280), (820, 14516), (955, 12464), (1520, 7831), (1528, 7790), (1558, 7640), (1640, 7258), (1910, 6232), (3056, 3895), (3116, 3820), (3280, 3629)]