220796460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3919}}^1$

素因数の和:4247

約数の個数: 72

約数和(自身を含む): 672060480

約数和(自身を除く): 451264020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3756, 3919, 4695, 5634, 6260, 7838, 9390, 11268, 11757, 14085, 15676, 18780, 19595, 23514, 28170, 35271, 39190, 47028, 56340, 58785, 70542, 78380, 117570, 141084, 176355, 235140, 352710, 705420, 1226647, 2453294, 3679941, 4906588, 6133235, 7359882, 11039823, 12266470, 14719764, 18399705, 22079646, 24532940, 36799410, 44159292, 55199115, 73598820, 110398230, 220796460]

約数ペア:

[(1, 220796460), (2, 110398230), (3, 73598820), (4, 55199115), (5, 44159292), (6, 36799410), (9, 24532940), (10, 22079646), (12, 18399705), (15, 14719764), (18, 12266470), (20, 11039823), (30, 7359882), (36, 6133235), (45, 4906588), (60, 3679941), (90, 2453294), (180, 1226647), (313, 705420), (626, 352710), (939, 235140), (1252, 176355), (1565, 141084), (1878, 117570), (2817, 78380), (3130, 70542), (3756, 58785), (3919, 56340), (4695, 47028), (5634, 39190), (6260, 35271), (7838, 28170), (9390, 23514), (11268, 19595), (11757, 18780), (14085, 15676)]