1899398520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170197}}^1$

素因数の和:170245

約数の個数: 96

約数和(自身を含む): 6372213120

約数和(自身を除く): 4472814600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 170197, 340394, 510591, 680788, 850985, 1021182, 1361576, 1531773, 1701970, 2042364, 2552955, 3063546, 3403940, 4084728, 5105910, 5276107, 6127092, 6807880, 7658865, 10211820, 10552214, 12254184, 15317730, 15828321, 20423640, 21104428, 26380535, 30635460, 31656642, 42208856, 47484963, 52761070, 61270920, 63313284, 79141605, 94969926, 105522140, 126626568, 158283210, 189939852, 211044280, 237424815, 316566420, 379879704, 474849630, 633132840, 949699260, 1899398520]

約数ペア:

[(1, 1899398520), (2, 949699260), (3, 633132840), (4, 474849630), (5, 379879704), (6, 316566420), (8, 237424815), (9, 211044280), (10, 189939852), (12, 158283210), (15, 126626568), (18, 105522140), (20, 94969926), (24, 79141605), (30, 63313284), (31, 61270920), (36, 52761070), (40, 47484963), (45, 42208856), (60, 31656642), (62, 30635460), (72, 26380535), (90, 21104428), (93, 20423640), (120, 15828321), (124, 15317730), (155, 12254184), (180, 10552214), (186, 10211820), (248, 7658865), (279, 6807880), (310, 6127092), (360, 5276107), (372, 5105910), (465, 4084728), (558, 3403940), (620, 3063546), (744, 2552955), (930, 2042364), (1116, 1701970), (1240, 1531773), (1395, 1361576), (1860, 1021182), (2232, 850985), (2790, 680788), (3720, 510591), (5580, 340394), (11160, 170197)]