2218906260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{648803}}^1$

素因数の和:648837

約数の個数: 72

約数和(自身を含む): 7084939680

約数和(自身を除く): 4866033420

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, 648803, 1297606, 1946409, 2595212, 3244015, 3892818, 5839227, 6488030, 7785636, 9732045, 11678454, 12327257, 12976060, 19464090, 23356908, 24654514, 29196135, 36981771, 38928180, 49309028, 58392270, 61636285, 73963542, 110945313, 116784540, 123272570, 147927084, 184908855, 221890626, 246545140, 369817710, 443781252, 554726565, 739635420, 1109453130, 2218906260]

約数ペア:

[(1, 2218906260), (2, 1109453130), (3, 739635420), (4, 554726565), (5, 443781252), (6, 369817710), (9, 246545140), (10, 221890626), (12, 184908855), (15, 147927084), (18, 123272570), (19, 116784540), (20, 110945313), (30, 73963542), (36, 61636285), (38, 58392270), (45, 49309028), (57, 38928180), (60, 36981771), (76, 29196135), (90, 24654514), (95, 23356908), (114, 19464090), (171, 12976060), (180, 12327257), (190, 11678454), (228, 9732045), (285, 7785636), (342, 6488030), (380, 5839227), (570, 3892818), (684, 3244015), (855, 2595212), (1140, 1946409), (1710, 1297606), (3420, 648803)]