64405740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1831

約数の個数: 96

約数和(自身を含む): 208535040

約数和(自身を除く): 144129300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1723, 1780, 1869, 2492, 2670, 3115, 3446, 3738, 5169, 5340, 6230, 6892, 7476, 8615, 9345, 10338, 12061, 12460, 17230, 18690, 20676, 24122, 25845, 34460, 36183, 37380, 48244, 51690, 60305, 72366, 103380, 120610, 144732, 153347, 180915, 241220, 306694, 361830, 460041, 613388, 723660, 766735, 920082, 1073429, 1533470, 1840164, 2146858, 2300205, 3066940, 3220287, 4293716, 4600410, 5367145, 6440574, 9200820, 10734290, 12881148, 16101435, 21468580, 32202870, 64405740]

約数ペア:

[(1, 64405740), (2, 32202870), (3, 21468580), (4, 16101435), (5, 12881148), (6, 10734290), (7, 9200820), (10, 6440574), (12, 5367145), (14, 4600410), (15, 4293716), (20, 3220287), (21, 3066940), (28, 2300205), (30, 2146858), (35, 1840164), (42, 1533470), (60, 1073429), (70, 920082), (84, 766735), (89, 723660), (105, 613388), (140, 460041), (178, 361830), (210, 306694), (267, 241220), (356, 180915), (420, 153347), (445, 144732), (534, 120610), (623, 103380), (890, 72366), (1068, 60305), (1246, 51690), (1335, 48244), (1723, 37380), (1780, 36183), (1869, 34460), (2492, 25845), (2670, 24122), (3115, 20676), (3446, 18690), (3738, 17230), (5169, 12460), (5340, 12061), (6230, 10338), (6892, 9345), (7476, 8615)]