221872680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{616313}}^1$

素因数の和:616330

約数の個数: 48

約数和(自身を含む): 721087380

約数和(自身を除く): 499214700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 616313, 1232626, 1848939, 2465252, 3081565, 3697878, 4930504, 5546817, 6163130, 7395756, 9244695, 11093634, 12326260, 14791512, 18489390, 22187268, 24652520, 27734085, 36978780, 44374536, 55468170, 73957560, 110936340, 221872680]

約数ペア:

[(1, 221872680), (2, 110936340), (3, 73957560), (4, 55468170), (5, 44374536), (6, 36978780), (8, 27734085), (9, 24652520), (10, 22187268), (12, 18489390), (15, 14791512), (18, 12326260), (20, 11093634), (24, 9244695), (30, 7395756), (36, 6163130), (40, 5546817), (45, 4930504), (60, 3697878), (72, 3081565), (90, 2465252), (120, 1848939), (180, 1232626), (360, 616313)]