81189780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3169}}^1$

素因数の和:3249

約数の個数: 96

約数和(自身を含む): 264149760

約数和(自身を除く): 182959980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3169, 3660, 4270, 5124, 6338, 6405, 8540, 9507, 12676, 12810, 15845, 19014, 22183, 25620, 31690, 38028, 44366, 47535, 63380, 66549, 88732, 95070, 110915, 133098, 190140, 193309, 221830, 266196, 332745, 386618, 443660, 579927, 665490, 773236, 966545, 1159854, 1330980, 1353163, 1933090, 2319708, 2706326, 2899635, 3866180, 4059489, 5412652, 5799270, 6765815, 8118978, 11598540, 13531630, 16237956, 20297445, 27063260, 40594890, 81189780]

約数ペア:

[(1, 81189780), (2, 40594890), (3, 27063260), (4, 20297445), (5, 16237956), (6, 13531630), (7, 11598540), (10, 8118978), (12, 6765815), (14, 5799270), (15, 5412652), (20, 4059489), (21, 3866180), (28, 2899635), (30, 2706326), (35, 2319708), (42, 1933090), (60, 1353163), (61, 1330980), (70, 1159854), (84, 966545), (105, 773236), (122, 665490), (140, 579927), (183, 443660), (210, 386618), (244, 332745), (305, 266196), (366, 221830), (420, 193309), (427, 190140), (610, 133098), (732, 110915), (854, 95070), (915, 88732), (1220, 66549), (1281, 63380), (1708, 47535), (1830, 44366), (2135, 38028), (2562, 31690), (3169, 25620), (3660, 22183), (4270, 19014), (5124, 15845), (6338, 12810), (6405, 12676), (8540, 9507)]