215643780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9901}}^1$

素因数の和:9938

約数の個数: 108

約数和(自身を含む): 719063436

約数和(自身を除く): 503419656

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9901, 10890, 19802, 21780, 29703, 39604, 49505, 59406, 89109, 99010, 108911, 118812, 148515, 178218, 198020, 217822, 297030, 326733, 356436, 435644, 445545, 544555, 594060, 653466, 891090, 980199, 1089110, 1198021, 1306932, 1633665, 1782180, 1960398, 2178220, 2396042, 3267330, 3594063, 3920796, 4792084, 4900995, 5990105, 6534660, 7188126, 9801990, 10782189, 11980210, 14376252, 17970315, 19603980, 21564378, 23960420, 35940630, 43128756, 53910945, 71881260, 107821890, 215643780]

約数ペア:

[(1, 215643780), (2, 107821890), (3, 71881260), (4, 53910945), (5, 43128756), (6, 35940630), (9, 23960420), (10, 21564378), (11, 19603980), (12, 17970315), (15, 14376252), (18, 11980210), (20, 10782189), (22, 9801990), (30, 7188126), (33, 6534660), (36, 5990105), (44, 4900995), (45, 4792084), (55, 3920796), (60, 3594063), (66, 3267330), (90, 2396042), (99, 2178220), (110, 1960398), (121, 1782180), (132, 1633665), (165, 1306932), (180, 1198021), (198, 1089110), (220, 980199), (242, 891090), (330, 653466), (363, 594060), (396, 544555), (484, 445545), (495, 435644), (605, 356436), (660, 326733), (726, 297030), (990, 217822), (1089, 198020), (1210, 178218), (1452, 148515), (1815, 118812), (1980, 108911), (2178, 99010), (2420, 89109), (3630, 59406), (4356, 49505), (5445, 39604), (7260, 29703), (9901, 21780), (10890, 19802)]