18256140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14489}}^1$

素因数の和:14511

約数の個数: 72

約数和(自身を含む): 63292320

約数和(自身を除く): 45036180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14489, 28978, 43467, 57956, 72445, 86934, 101423, 130401, 144890, 173868, 202846, 217335, 260802, 289780, 304269, 405692, 434670, 507115, 521604, 608538, 652005, 869340, 912807, 1014230, 1217076, 1304010, 1521345, 1825614, 2028460, 2608020, 3042690, 3651228, 4564035, 6085380, 9128070, 18256140]

約数ペア:

[(1, 18256140), (2, 9128070), (3, 6085380), (4, 4564035), (5, 3651228), (6, 3042690), (7, 2608020), (9, 2028460), (10, 1825614), (12, 1521345), (14, 1304010), (15, 1217076), (18, 1014230), (20, 912807), (21, 869340), (28, 652005), (30, 608538), (35, 521604), (36, 507115), (42, 434670), (45, 405692), (60, 304269), (63, 289780), (70, 260802), (84, 217335), (90, 202846), (105, 173868), (126, 144890), (140, 130401), (180, 101423), (210, 86934), (252, 72445), (315, 57956), (420, 43467), (630, 28978), (1260, 14489)]