74743740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1723}}^1$

素因数の和:1979

約数の個数: 72

約数和(自身を含む): 227795568

約数和(自身を除く): 153051828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1723, 2169, 2410, 2892, 3446, 3615, 4338, 4820, 5169, 6892, 7230, 8615, 8676, 10338, 10845, 14460, 15507, 17230, 20676, 21690, 25845, 31014, 34460, 43380, 51690, 62028, 77535, 103380, 155070, 310140, 415243, 830486, 1245729, 1660972, 2076215, 2491458, 3737187, 4152430, 4982916, 6228645, 7474374, 8304860, 12457290, 14948748, 18685935, 24914580, 37371870, 74743740]

約数ペア:

[(1, 74743740), (2, 37371870), (3, 24914580), (4, 18685935), (5, 14948748), (6, 12457290), (9, 8304860), (10, 7474374), (12, 6228645), (15, 4982916), (18, 4152430), (20, 3737187), (30, 2491458), (36, 2076215), (45, 1660972), (60, 1245729), (90, 830486), (180, 415243), (241, 310140), (482, 155070), (723, 103380), (964, 77535), (1205, 62028), (1446, 51690), (1723, 43380), (2169, 34460), (2410, 31014), (2892, 25845), (3446, 21690), (3615, 20676), (4338, 17230), (4820, 15507), (5169, 14460), (6892, 10845), (7230, 10338), (8615, 8676)]