642240330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{11321}}^1$

素因数の和:11423

約数の個数: 64

約数和(自身を含む): 1617325056

約数和(自身を除く): 975084726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 610, 915, 930, 1830, 1891, 3782, 5673, 9455, 11321, 11346, 18910, 22642, 28365, 33963, 56605, 56730, 67926, 113210, 169815, 339630, 350951, 690581, 701902, 1052853, 1381162, 1754755, 2071743, 2105706, 3452905, 3509510, 4143486, 5264265, 6905810, 10358715, 10528530, 20717430, 21408011, 42816022, 64224033, 107040055, 128448066, 214080110, 321120165, 642240330]

約数ペア:

[(1, 642240330), (2, 321120165), (3, 214080110), (5, 128448066), (6, 107040055), (10, 64224033), (15, 42816022), (30, 21408011), (31, 20717430), (61, 10528530), (62, 10358715), (93, 6905810), (122, 5264265), (155, 4143486), (183, 3509510), (186, 3452905), (305, 2105706), (310, 2071743), (366, 1754755), (465, 1381162), (610, 1052853), (915, 701902), (930, 690581), (1830, 350951), (1891, 339630), (3782, 169815), (5673, 113210), (9455, 67926), (11321, 56730), (11346, 56605), (18910, 33963), (22642, 28365)]