16653780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 42785964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 647, 660, 715, 780, 858, 990, 1170, 1287, 1294, 1430, 1716, 1941, 1980, 2145, 2340, 2574, 2588, 2860, 3235, 3882, 4290, 5148, 5823, 6435, 6470, 7117, 7764, 8411, 8580, 9705, 11646, 12870, 12940, 14234, 16822, 19410, 21351, 23292, 25233, 25740, 28468, 29115, 33644, 35585, 38820, 42055, 42702, 50466, 58230, 64053, 71170, 75699, 84110, 85404, 92521, 100932, 106755, 116460, 126165, 128106, 142340, 151398, 168220, 185042, 213510, 252330, 256212, 277563, 302796, 320265, 370084, 378495, 427020, 462605, 504660, 555126, 640530, 756990, 832689, 925210, 1110252, 1281060, 1387815, 1513980, 1665378, 1850420, 2775630, 3330756, 4163445, 5551260, 8326890, 16653780]

約数ペア:

[(1, 16653780), (2, 8326890), (3, 5551260), (4, 4163445), (5, 3330756), (6, 2775630), (9, 1850420), (10, 1665378), (11, 1513980), (12, 1387815), (13, 1281060), (15, 1110252), (18, 925210), (20, 832689), (22, 756990), (26, 640530), (30, 555126), (33, 504660), (36, 462605), (39, 427020), (44, 378495), (45, 370084), (52, 320265), (55, 302796), (60, 277563), (65, 256212), (66, 252330), (78, 213510), (90, 185042), (99, 168220), (110, 151398), (117, 142340), (130, 128106), (132, 126165), (143, 116460), (156, 106755), (165, 100932), (180, 92521), (195, 85404), (198, 84110), (220, 75699), (234, 71170), (260, 64053), (286, 58230), (330, 50466), (390, 42702), (396, 42055), (429, 38820), (468, 35585), (495, 33644), (572, 29115), (585, 28468), (647, 25740), (660, 25233), (715, 23292), (780, 21351), (858, 19410), (990, 16822), (1170, 14234), (1287, 12940), (1294, 12870), (1430, 11646), (1716, 9705), (1941, 8580), (1980, 8411), (2145, 7764), (2340, 7117), (2574, 6470), (2588, 6435), (2860, 5823), (3235, 5148), (3882, 4290)]