280052820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21313}}^1$

素因数の和:21401

約数の個数: 72

約数和(自身を含む): 861170856

約数和(自身を除く): 581118036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 13140, 21313, 42626, 63939, 85252, 106565, 127878, 191817, 213130, 255756, 319695, 383634, 426260, 639390, 767268, 959085, 1278780, 1555849, 1918170, 3111698, 3836340, 4667547, 6223396, 7779245, 9335094, 14002641, 15558490, 18670188, 23337735, 28005282, 31116980, 46675470, 56010564, 70013205, 93350940, 140026410, 280052820]

約数ペア:

[(1, 280052820), (2, 140026410), (3, 93350940), (4, 70013205), (5, 56010564), (6, 46675470), (9, 31116980), (10, 28005282), (12, 23337735), (15, 18670188), (18, 15558490), (20, 14002641), (30, 9335094), (36, 7779245), (45, 6223396), (60, 4667547), (73, 3836340), (90, 3111698), (146, 1918170), (180, 1555849), (219, 1278780), (292, 959085), (365, 767268), (438, 639390), (657, 426260), (730, 383634), (876, 319695), (1095, 255756), (1314, 213130), (1460, 191817), (2190, 127878), (2628, 106565), (3285, 85252), (4380, 63939), (6570, 42626), (13140, 21313)]