1778902860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{605069}}^1$

素因数の和:605095

約数の個数: 72

約数和(自身を含む): 5794150320

約数和(自身を除く): 4015247460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 605069, 1210138, 1815207, 2420276, 3025345, 3630414, 4235483, 6050690, 7260828, 8470966, 9076035, 12101380, 12706449, 16941932, 18152070, 21177415, 25412898, 29648381, 36304140, 42354830, 50825796, 59296762, 63532245, 84709660, 88945143, 118593524, 127064490, 148241905, 177890286, 254128980, 296483810, 355780572, 444725715, 592967620, 889451430, 1778902860]

約数ペア:

[(1, 1778902860), (2, 889451430), (3, 592967620), (4, 444725715), (5, 355780572), (6, 296483810), (7, 254128980), (10, 177890286), (12, 148241905), (14, 127064490), (15, 118593524), (20, 88945143), (21, 84709660), (28, 63532245), (30, 59296762), (35, 50825796), (42, 42354830), (49, 36304140), (60, 29648381), (70, 25412898), (84, 21177415), (98, 18152070), (105, 16941932), (140, 12706449), (147, 12101380), (196, 9076035), (210, 8470966), (245, 7260828), (294, 6050690), (420, 4235483), (490, 3630414), (588, 3025345), (735, 2420276), (980, 1815207), (1470, 1210138), (2940, 605069)]