31644880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 78566400

約数和(自身を除く): 46921520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 191, 218, 304, 380, 382, 436, 545, 760, 764, 872, 955, 1090, 1520, 1528, 1744, 1910, 2071, 2180, 3056, 3629, 3820, 4142, 4360, 7258, 7640, 8284, 8720, 10355, 14516, 15280, 16568, 18145, 20710, 20819, 29032, 33136, 36290, 41420, 41638, 58064, 72580, 82840, 83276, 104095, 145160, 165680, 166552, 208190, 290320, 333104, 395561, 416380, 791122, 832760, 1582244, 1665520, 1977805, 3164488, 3955610, 6328976, 7911220, 15822440, 31644880]

約数ペア:

[(1, 31644880), (2, 15822440), (4, 7911220), (5, 6328976), (8, 3955610), (10, 3164488), (16, 1977805), (19, 1665520), (20, 1582244), (38, 832760), (40, 791122), (76, 416380), (80, 395561), (95, 333104), (109, 290320), (152, 208190), (190, 166552), (191, 165680), (218, 145160), (304, 104095), (380, 83276), (382, 82840), (436, 72580), (545, 58064), (760, 41638), (764, 41420), (872, 36290), (955, 33136), (1090, 29032), (1520, 20819), (1528, 20710), (1744, 18145), (1910, 16568), (2071, 15280), (2180, 14516), (3056, 10355), (3629, 8720), (3820, 8284), (4142, 7640), (4360, 7258)]