15822440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 22193560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 191, 218, 380, 382, 436, 545, 760, 764, 872, 955, 1090, 1528, 1910, 2071, 2180, 3629, 3820, 4142, 4360, 7258, 7640, 8284, 10355, 14516, 16568, 18145, 20710, 20819, 29032, 36290, 41420, 41638, 72580, 82840, 83276, 104095, 145160, 166552, 208190, 395561, 416380, 791122, 832760, 1582244, 1977805, 3164488, 3955610, 7911220, 15822440]

約数ペア:

[(1, 15822440), (2, 7911220), (4, 3955610), (5, 3164488), (8, 1977805), (10, 1582244), (19, 832760), (20, 791122), (38, 416380), (40, 395561), (76, 208190), (95, 166552), (109, 145160), (152, 104095), (190, 83276), (191, 82840), (218, 72580), (380, 41638), (382, 41420), (436, 36290), (545, 29032), (760, 20819), (764, 20710), (872, 18145), (955, 16568), (1090, 14516), (1528, 10355), (1910, 8284), (2071, 7640), (2180, 7258), (3629, 4360), (3820, 4142)]