72310260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^2$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 221544288

約数和(自身を除く): 149234028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 331, 660, 662, 993, 1324, 1655, 1986, 3310, 3641, 3972, 4965, 6620, 7282, 9930, 10923, 14564, 18205, 19860, 21846, 36410, 43692, 54615, 72820, 109230, 109561, 218460, 219122, 328683, 438244, 547805, 657366, 1095610, 1205171, 1314732, 1643415, 2191220, 2410342, 3286830, 3615513, 4820684, 6025855, 6573660, 7231026, 12051710, 14462052, 18077565, 24103420, 36155130, 72310260]

約数ペア:

[(1, 72310260), (2, 36155130), (3, 24103420), (4, 18077565), (5, 14462052), (6, 12051710), (10, 7231026), (11, 6573660), (12, 6025855), (15, 4820684), (20, 3615513), (22, 3286830), (30, 2410342), (33, 2191220), (44, 1643415), (55, 1314732), (60, 1205171), (66, 1095610), (110, 657366), (132, 547805), (165, 438244), (220, 328683), (330, 219122), (331, 218460), (660, 109561), (662, 109230), (993, 72820), (1324, 54615), (1655, 43692), (1986, 36410), (3310, 21846), (3641, 19860), (3972, 18205), (4965, 14564), (6620, 10923), (7282, 9930)]