305181520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{919}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 813162240

約数和(自身を除く): 507980720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 593, 919, 1186, 1838, 2372, 2965, 3676, 4151, 4595, 4744, 5930, 6433, 7352, 8302, 9190, 9488, 11860, 12866, 14704, 16604, 18380, 20755, 23720, 25732, 32165, 33208, 36760, 41510, 47440, 51464, 64330, 66416, 73520, 83020, 102928, 128660, 166040, 257320, 332080, 514640, 544967, 1089934, 2179868, 2724835, 3814769, 4359736, 5449670, 7629538, 8719472, 10899340, 15259076, 19073845, 21798680, 30518152, 38147690, 43597360, 61036304, 76295380, 152590760, 305181520]

約数ペア:

[(1, 305181520), (2, 152590760), (4, 76295380), (5, 61036304), (7, 43597360), (8, 38147690), (10, 30518152), (14, 21798680), (16, 19073845), (20, 15259076), (28, 10899340), (35, 8719472), (40, 7629538), (56, 5449670), (70, 4359736), (80, 3814769), (112, 2724835), (140, 2179868), (280, 1089934), (560, 544967), (593, 514640), (919, 332080), (1186, 257320), (1838, 166040), (2372, 128660), (2965, 102928), (3676, 83020), (4151, 73520), (4595, 66416), (4744, 64330), (5930, 51464), (6433, 47440), (7352, 41510), (8302, 36760), (9190, 33208), (9488, 32165), (11860, 25732), (12866, 23720), (14704, 20755), (16604, 18380)]