2015646040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43933}}^1$

素因数の和:44012

約数の個数: 64

約数和(自身を含む): 4808136960

約数和(自身を除く): 2792490920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 22940, 43933, 45880, 87866, 175732, 219665, 351464, 439330, 878660, 1361923, 1625521, 1757320, 2723846, 3251042, 5447692, 6502084, 6809615, 8127605, 10895384, 13004168, 13619230, 16255210, 27238460, 32510420, 50391151, 54476920, 65020840, 100782302, 201564604, 251955755, 403129208, 503911510, 1007823020, 2015646040]

約数ペア:

[(1, 2015646040), (2, 1007823020), (4, 503911510), (5, 403129208), (8, 251955755), (10, 201564604), (20, 100782302), (31, 65020840), (37, 54476920), (40, 50391151), (62, 32510420), (74, 27238460), (124, 16255210), (148, 13619230), (155, 13004168), (185, 10895384), (248, 8127605), (296, 6809615), (310, 6502084), (370, 5447692), (620, 3251042), (740, 2723846), (1147, 1757320), (1240, 1625521), (1480, 1361923), (2294, 878660), (4588, 439330), (5735, 351464), (9176, 219665), (11470, 175732), (22940, 87866), (43933, 45880)]