80139720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35149}}^1$

素因数の和:35182

約数の個数: 64

約数和(自身を含む): 253080000

約数和(自身を除く): 172940280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35149, 70298, 105447, 140596, 175745, 210894, 281192, 351490, 421788, 527235, 667831, 702980, 843576, 1054470, 1335662, 1405960, 2003493, 2108940, 2671324, 3339155, 4006986, 4217880, 5342648, 6678310, 8013972, 10017465, 13356620, 16027944, 20034930, 26713240, 40069860, 80139720]

約数ペア:

[(1, 80139720), (2, 40069860), (3, 26713240), (4, 20034930), (5, 16027944), (6, 13356620), (8, 10017465), (10, 8013972), (12, 6678310), (15, 5342648), (19, 4217880), (20, 4006986), (24, 3339155), (30, 2671324), (38, 2108940), (40, 2003493), (57, 1405960), (60, 1335662), (76, 1054470), (95, 843576), (114, 702980), (120, 667831), (152, 527235), (190, 421788), (228, 351490), (285, 281192), (380, 210894), (456, 175745), (570, 140596), (760, 105447), (1140, 70298), (2280, 35149)]