319726260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{253751}}^1$

素因数の和:253773

約数の個数: 72

約数和(自身を含む): 1108388736

約数和(自身を除く): 788662476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 253751, 507502, 761253, 1015004, 1268755, 1522506, 1776257, 2283759, 2537510, 3045012, 3552514, 3806265, 4567518, 5075020, 5328771, 7105028, 7612530, 8881285, 9135036, 10657542, 11418795, 15225060, 15986313, 17762570, 21315084, 22837590, 26643855, 31972626, 35525140, 45675180, 53287710, 63945252, 79931565, 106575420, 159863130, 319726260]

約数ペア:

[(1, 319726260), (2, 159863130), (3, 106575420), (4, 79931565), (5, 63945252), (6, 53287710), (7, 45675180), (9, 35525140), (10, 31972626), (12, 26643855), (14, 22837590), (15, 21315084), (18, 17762570), (20, 15986313), (21, 15225060), (28, 11418795), (30, 10657542), (35, 9135036), (36, 8881285), (42, 7612530), (45, 7105028), (60, 5328771), (63, 5075020), (70, 4567518), (84, 3806265), (90, 3552514), (105, 3045012), (126, 2537510), (140, 2283759), (180, 1776257), (210, 1522506), (252, 1268755), (315, 1015004), (420, 761253), (630, 507502), (1260, 253751)]