221886180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64879}}^1$

素因数の和:64913

約数の個数: 72

約数和(自身を含む): 708489600

約数和(自身を除く): 486603420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 64879, 129758, 194637, 259516, 324395, 389274, 583911, 648790, 778548, 973185, 1167822, 1232701, 1297580, 1946370, 2335644, 2465402, 2919555, 3698103, 3892740, 4930804, 5839110, 6163505, 7396206, 11094309, 11678220, 12327010, 14792412, 18490515, 22188618, 24654020, 36981030, 44377236, 55471545, 73962060, 110943090, 221886180]

約数ペア:

[(1, 221886180), (2, 110943090), (3, 73962060), (4, 55471545), (5, 44377236), (6, 36981030), (9, 24654020), (10, 22188618), (12, 18490515), (15, 14792412), (18, 12327010), (19, 11678220), (20, 11094309), (30, 7396206), (36, 6163505), (38, 5839110), (45, 4930804), (57, 3892740), (60, 3698103), (76, 2919555), (90, 2465402), (95, 2335644), (114, 1946370), (171, 1297580), (180, 1232701), (190, 1167822), (228, 973185), (285, 778548), (342, 648790), (380, 583911), (570, 389274), (684, 324395), (855, 259516), (1140, 194637), (1710, 129758), (3420, 64879)]