39857880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 126074880

約数和(自身を除く): 86217000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 47, 60, 74, 94, 111, 120, 141, 148, 185, 188, 191, 222, 235, 282, 296, 370, 376, 382, 444, 470, 555, 564, 573, 705, 740, 764, 888, 940, 955, 1110, 1128, 1146, 1410, 1480, 1528, 1739, 1880, 1910, 2220, 2292, 2820, 2865, 3478, 3820, 4440, 4584, 5217, 5640, 5730, 6956, 7067, 7640, 8695, 8977, 10434, 11460, 13912, 14134, 17390, 17954, 20868, 21201, 22920, 26085, 26931, 28268, 34780, 35335, 35908, 41736, 42402, 44885, 52170, 53862, 56536, 69560, 70670, 71816, 84804, 89770, 104340, 106005, 107724, 134655, 141340, 169608, 179540, 208680, 212010, 215448, 269310, 282680, 332149, 359080, 424020, 538620, 664298, 848040, 996447, 1077240, 1328596, 1660745, 1992894, 2657192, 3321490, 3985788, 4982235, 6642980, 7971576, 9964470, 13285960, 19928940, 39857880]

約数ペア:

[(1, 39857880), (2, 19928940), (3, 13285960), (4, 9964470), (5, 7971576), (6, 6642980), (8, 4982235), (10, 3985788), (12, 3321490), (15, 2657192), (20, 1992894), (24, 1660745), (30, 1328596), (37, 1077240), (40, 996447), (47, 848040), (60, 664298), (74, 538620), (94, 424020), (111, 359080), (120, 332149), (141, 282680), (148, 269310), (185, 215448), (188, 212010), (191, 208680), (222, 179540), (235, 169608), (282, 141340), (296, 134655), (370, 107724), (376, 106005), (382, 104340), (444, 89770), (470, 84804), (555, 71816), (564, 70670), (573, 69560), (705, 56536), (740, 53862), (764, 52170), (888, 44885), (940, 42402), (955, 41736), (1110, 35908), (1128, 35335), (1146, 34780), (1410, 28268), (1480, 26931), (1528, 26085), (1739, 22920), (1880, 21201), (1910, 20868), (2220, 17954), (2292, 17390), (2820, 14134), (2865, 13912), (3478, 11460), (3820, 10434), (4440, 8977), (4584, 8695), (5217, 7640), (5640, 7067), (5730, 6956)]