16518955920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{244943}}^1$

素因数の和:245240

約数の個数: 80

約数和(自身を含む): 51391210752

約数和(自身を除く): 34872254832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 11240, 13488, 16860, 22480, 33720, 67440, 244943, 489886, 734829, 979772, 1224715, 1469658, 1959544, 2449430, 2939316, 3674145, 3919088, 4898860, 5878632, 7348290, 9797720, 11757264, 14696580, 19595440, 29393160, 58786320, 68828983, 137657966, 206486949, 275315932, 344144915, 412973898, 550631864, 688289830, 825947796, 1032434745, 1101263728, 1376579660, 1651895592, 2064869490, 2753159320, 3303791184, 4129738980, 5506318640, 8259477960, 16518955920]

約数ペア:

[(1, 16518955920), (2, 8259477960), (3, 5506318640), (4, 4129738980), (5, 3303791184), (6, 2753159320), (8, 2064869490), (10, 1651895592), (12, 1376579660), (15, 1101263728), (16, 1032434745), (20, 825947796), (24, 688289830), (30, 550631864), (40, 412973898), (48, 344144915), (60, 275315932), (80, 206486949), (120, 137657966), (240, 68828983), (281, 58786320), (562, 29393160), (843, 19595440), (1124, 14696580), (1405, 11757264), (1686, 9797720), (2248, 7348290), (2810, 5878632), (3372, 4898860), (4215, 3919088), (4496, 3674145), (5620, 2939316), (6744, 2449430), (8430, 1959544), (11240, 1469658), (13488, 1224715), (16860, 979772), (22480, 734829), (33720, 489886), (67440, 244943)]