1812880080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20809}}^1$

素因数の和:20850

約数の個数: 180

約数和(自身を含む): 6692371140

約数和(自身を除く): 4879491060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 2178, 2420, 2640, 2904, 3630, 3960, 4356, 4840, 5445, 5808, 7260, 7920, 8712, 9680, 10890, 14520, 17424, 20809, 21780, 29040, 41618, 43560, 62427, 83236, 87120, 104045, 124854, 166472, 187281, 208090, 228899, 249708, 312135, 332944, 374562, 416180, 457798, 499416, 624270, 686697, 749124, 832360, 915596, 936405, 998832, 1144495, 1248540, 1373394, 1498248, 1664720, 1831192, 1872810, 2060091, 2288990, 2497080, 2517889, 2746788, 2996496, 3433485, 3662384, 3745620, 4120182, 4577980, 4994160, 5035778, 5493576, 6866970, 7491240, 7553667, 8240364, 9155960, 10071556, 10300455, 10987152, 12589445, 13733940, 14982480, 15107334, 16480728, 18311920, 20143112, 20600910, 22661001, 25178890, 27467880, 30214668, 32961456, 37768335, 40286224, 41201820, 45322002, 50357780, 54935760, 60429336, 75536670, 82403640, 90644004, 100715560, 113305005, 120858672, 151073340, 164807280, 181288008, 201431120, 226610010, 302146680, 362576016, 453220020, 604293360, 906440040, 1812880080]

約数ペア:

[(1, 1812880080), (2, 906440040), (3, 604293360), (4, 453220020), (5, 362576016), (6, 302146680), (8, 226610010), (9, 201431120), (10, 181288008), (11, 164807280), (12, 151073340), (15, 120858672), (16, 113305005), (18, 100715560), (20, 90644004), (22, 82403640), (24, 75536670), (30, 60429336), (33, 54935760), (36, 50357780), (40, 45322002), (44, 41201820), (45, 40286224), (48, 37768335), (55, 32961456), (60, 30214668), (66, 27467880), (72, 25178890), (80, 22661001), (88, 20600910), (90, 20143112), (99, 18311920), (110, 16480728), (120, 15107334), (121, 14982480), (132, 13733940), (144, 12589445), (165, 10987152), (176, 10300455), (180, 10071556), (198, 9155960), (220, 8240364), (240, 7553667), (242, 7491240), (264, 6866970), (330, 5493576), (360, 5035778), (363, 4994160), (396, 4577980), (440, 4120182), (484, 3745620), (495, 3662384), (528, 3433485), (605, 2996496), (660, 2746788), (720, 2517889), (726, 2497080), (792, 2288990), (880, 2060091), (968, 1872810), (990, 1831192), (1089, 1664720), (1210, 1498248), (1320, 1373394), (1452, 1248540), (1584, 1144495), (1815, 998832), (1936, 936405), (1980, 915596), (2178, 832360), (2420, 749124), (2640, 686697), (2904, 624270), (3630, 499416), (3960, 457798), (4356, 416180), (4840, 374562), (5445, 332944), (5808, 312135), (7260, 249708), (7920, 228899), (8712, 208090), (9680, 187281), (10890, 166472), (14520, 124854), (17424, 104045), (20809, 87120), (21780, 83236), (29040, 62427), (41618, 43560)]