18685800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1512

約数の個数: 144

約数和(自身を含む): 71766240

約数和(自身を除く): 53080440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1483, 1575, 1800, 2100, 2520, 2966, 3150, 4200, 4449, 5932, 6300, 7415, 8898, 10381, 11864, 12600, 13347, 14830, 17796, 20762, 22245, 26694, 29660, 31143, 35592, 37075, 41524, 44490, 51905, 53388, 59320, 62286, 66735, 74150, 83048, 88980, 93429, 103810, 106776, 111225, 124572, 133470, 148300, 155715, 177960, 186858, 207620, 222450, 249144, 259525, 266940, 296600, 311430, 333675, 373716, 415240, 444900, 467145, 519050, 533880, 622860, 667350, 747432, 778575, 889800, 934290, 1038100, 1245720, 1334700, 1557150, 1868580, 2076200, 2335725, 2669400, 3114300, 3737160, 4671450, 6228600, 9342900, 18685800]

約数ペア:

[(1, 18685800), (2, 9342900), (3, 6228600), (4, 4671450), (5, 3737160), (6, 3114300), (7, 2669400), (8, 2335725), (9, 2076200), (10, 1868580), (12, 1557150), (14, 1334700), (15, 1245720), (18, 1038100), (20, 934290), (21, 889800), (24, 778575), (25, 747432), (28, 667350), (30, 622860), (35, 533880), (36, 519050), (40, 467145), (42, 444900), (45, 415240), (50, 373716), (56, 333675), (60, 311430), (63, 296600), (70, 266940), (72, 259525), (75, 249144), (84, 222450), (90, 207620), (100, 186858), (105, 177960), (120, 155715), (126, 148300), (140, 133470), (150, 124572), (168, 111225), (175, 106776), (180, 103810), (200, 93429), (210, 88980), (225, 83048), (252, 74150), (280, 66735), (300, 62286), (315, 59320), (350, 53388), (360, 51905), (420, 44490), (450, 41524), (504, 37075), (525, 35592), (600, 31143), (630, 29660), (700, 26694), (840, 22245), (900, 20762), (1050, 17796), (1260, 14830), (1400, 13347), (1483, 12600), (1575, 11864), (1800, 10381), (2100, 8898), (2520, 7415), (2966, 6300), (3150, 5932), (4200, 4449)]