31815120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6977}}^1$

素因数の和:7012

約数の個数: 80

約数和(自身を含む): 103832640

約数和(自身を除く): 72017520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6977, 13954, 20931, 27908, 34885, 41862, 55816, 69770, 83724, 104655, 111632, 132563, 139540, 167448, 209310, 265126, 279080, 334896, 397689, 418620, 530252, 558160, 662815, 795378, 837240, 1060504, 1325630, 1590756, 1674480, 1988445, 2121008, 2651260, 3181512, 3976890, 5302520, 6363024, 7953780, 10605040, 15907560, 31815120]

約数ペア:

[(1, 31815120), (2, 15907560), (3, 10605040), (4, 7953780), (5, 6363024), (6, 5302520), (8, 3976890), (10, 3181512), (12, 2651260), (15, 2121008), (16, 1988445), (19, 1674480), (20, 1590756), (24, 1325630), (30, 1060504), (38, 837240), (40, 795378), (48, 662815), (57, 558160), (60, 530252), (76, 418620), (80, 397689), (95, 334896), (114, 279080), (120, 265126), (152, 209310), (190, 167448), (228, 139540), (240, 132563), (285, 111632), (304, 104655), (380, 83724), (456, 69770), (570, 55816), (760, 41862), (912, 34885), (1140, 27908), (1520, 20931), (2280, 13954), (4560, 6977)]