2018327940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{68791}}^1$

素因数の和:68969

約数の個数: 72

約数和(自身を含む): 6159910848

約数和(自身を除く): 4141582908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 9780, 14670, 29340, 68791, 137582, 206373, 275164, 343955, 412746, 619119, 687910, 825492, 1031865, 1238238, 1375820, 2063730, 2476476, 3095595, 4127460, 6191190, 11212933, 12382380, 22425866, 33638799, 44851732, 56064665, 67277598, 100916397, 112129330, 134555196, 168193995, 201832794, 224258660, 336387990, 403665588, 504581985, 672775980, 1009163970, 2018327940]

約数ペア:

[(1, 2018327940), (2, 1009163970), (3, 672775980), (4, 504581985), (5, 403665588), (6, 336387990), (9, 224258660), (10, 201832794), (12, 168193995), (15, 134555196), (18, 112129330), (20, 100916397), (30, 67277598), (36, 56064665), (45, 44851732), (60, 33638799), (90, 22425866), (163, 12382380), (180, 11212933), (326, 6191190), (489, 4127460), (652, 3095595), (815, 2476476), (978, 2063730), (1467, 1375820), (1630, 1238238), (1956, 1031865), (2445, 825492), (2934, 687910), (3260, 619119), (4890, 412746), (5868, 343955), (7335, 275164), (9780, 206373), (14670, 137582), (29340, 68791)]