31808280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2033

約数の個数: 128

約数和(自身を含む): 114854400

約数和(自身を除く): 83046120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1993, 1995, 2280, 2660, 3192, 3986, 3990, 5320, 5979, 7972, 7980, 9965, 11958, 13951, 15944, 15960, 19930, 23916, 27902, 29895, 37867, 39860, 41853, 47832, 55804, 59790, 69755, 75734, 79720, 83706, 111608, 113601, 119580, 139510, 151468, 167412, 189335, 209265, 227202, 239160, 265069, 279020, 302936, 334824, 378670, 418530, 454404, 530138, 558040, 568005, 757340, 795207, 837060, 908808, 1060276, 1136010, 1325345, 1514680, 1590414, 1674120, 2120552, 2272020, 2650690, 3180828, 3976035, 4544040, 5301380, 6361656, 7952070, 10602760, 15904140, 31808280]

約数ペア:

[(1, 31808280), (2, 15904140), (3, 10602760), (4, 7952070), (5, 6361656), (6, 5301380), (7, 4544040), (8, 3976035), (10, 3180828), (12, 2650690), (14, 2272020), (15, 2120552), (19, 1674120), (20, 1590414), (21, 1514680), (24, 1325345), (28, 1136010), (30, 1060276), (35, 908808), (38, 837060), (40, 795207), (42, 757340), (56, 568005), (57, 558040), (60, 530138), (70, 454404), (76, 418530), (84, 378670), (95, 334824), (105, 302936), (114, 279020), (120, 265069), (133, 239160), (140, 227202), (152, 209265), (168, 189335), (190, 167412), (210, 151468), (228, 139510), (266, 119580), (280, 113601), (285, 111608), (380, 83706), (399, 79720), (420, 75734), (456, 69755), (532, 59790), (570, 55804), (665, 47832), (760, 41853), (798, 39860), (840, 37867), (1064, 29895), (1140, 27902), (1330, 23916), (1596, 19930), (1993, 15960), (1995, 15944), (2280, 13951), (2660, 11958), (3192, 9965), (3986, 7980), (3990, 7972), (5320, 5979)]