28352280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 94970880

約数和(自身を除く): 66618600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 457, 470, 517, 564, 660, 705, 914, 940, 1034, 1128, 1320, 1371, 1410, 1551, 1828, 1880, 2068, 2285, 2585, 2742, 2820, 3102, 3656, 4136, 4570, 5027, 5170, 5484, 5640, 6204, 6855, 7755, 9140, 10054, 10340, 10968, 12408, 13710, 15081, 15510, 18280, 20108, 20680, 21479, 25135, 27420, 30162, 31020, 40216, 42958, 50270, 54840, 60324, 62040, 64437, 75405, 85916, 100540, 107395, 120648, 128874, 150810, 171832, 201080, 214790, 236269, 257748, 301620, 322185, 429580, 472538, 515496, 603240, 644370, 708807, 859160, 945076, 1181345, 1288740, 1417614, 1890152, 2362690, 2577480, 2835228, 3544035, 4725380, 5670456, 7088070, 9450760, 14176140, 28352280]

約数ペア:

[(1, 28352280), (2, 14176140), (3, 9450760), (4, 7088070), (5, 5670456), (6, 4725380), (8, 3544035), (10, 2835228), (11, 2577480), (12, 2362690), (15, 1890152), (20, 1417614), (22, 1288740), (24, 1181345), (30, 945076), (33, 859160), (40, 708807), (44, 644370), (47, 603240), (55, 515496), (60, 472538), (66, 429580), (88, 322185), (94, 301620), (110, 257748), (120, 236269), (132, 214790), (141, 201080), (165, 171832), (188, 150810), (220, 128874), (235, 120648), (264, 107395), (282, 100540), (330, 85916), (376, 75405), (440, 64437), (457, 62040), (470, 60324), (517, 54840), (564, 50270), (660, 42958), (705, 40216), (914, 31020), (940, 30162), (1034, 27420), (1128, 25135), (1320, 21479), (1371, 20680), (1410, 20108), (1551, 18280), (1828, 15510), (1880, 15081), (2068, 13710), (2285, 12408), (2585, 10968), (2742, 10340), (2820, 10054), (3102, 9140), (3656, 7755), (4136, 6855), (4570, 6204), (5027, 5640), (5170, 5484)]