28292220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{433}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 96972960

約数和(自身を除く): 68680740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 433, 484, 495, 540, 594, 605, 660, 726, 866, 990, 1089, 1188, 1210, 1299, 1452, 1485, 1732, 1815, 1980, 2165, 2178, 2420, 2598, 2970, 3267, 3630, 3897, 4330, 4356, 4763, 5196, 5445, 5940, 6495, 6534, 7260, 7794, 8660, 9526, 10890, 11691, 12990, 13068, 14289, 15588, 16335, 19052, 19485, 21780, 23382, 23815, 25980, 28578, 32670, 38970, 42867, 46764, 47630, 52393, 57156, 58455, 65340, 71445, 77940, 85734, 95260, 104786, 116910, 128601, 142890, 157179, 171468, 209572, 214335, 233820, 257202, 261965, 285780, 314358, 428670, 471537, 514404, 523930, 628716, 643005, 785895, 857340, 943074, 1047860, 1286010, 1414611, 1571790, 1886148, 2357685, 2572020, 2829222, 3143580, 4715370, 5658444, 7073055, 9430740, 14146110, 28292220]

約数ペア:

[(1, 28292220), (2, 14146110), (3, 9430740), (4, 7073055), (5, 5658444), (6, 4715370), (9, 3143580), (10, 2829222), (11, 2572020), (12, 2357685), (15, 1886148), (18, 1571790), (20, 1414611), (22, 1286010), (27, 1047860), (30, 943074), (33, 857340), (36, 785895), (44, 643005), (45, 628716), (54, 523930), (55, 514404), (60, 471537), (66, 428670), (90, 314358), (99, 285780), (108, 261965), (110, 257202), (121, 233820), (132, 214335), (135, 209572), (165, 171468), (180, 157179), (198, 142890), (220, 128601), (242, 116910), (270, 104786), (297, 95260), (330, 85734), (363, 77940), (396, 71445), (433, 65340), (484, 58455), (495, 57156), (540, 52393), (594, 47630), (605, 46764), (660, 42867), (726, 38970), (866, 32670), (990, 28578), (1089, 25980), (1188, 23815), (1210, 23382), (1299, 21780), (1452, 19485), (1485, 19052), (1732, 16335), (1815, 15588), (1980, 14289), (2165, 13068), (2178, 12990), (2420, 11691), (2598, 10890), (2970, 9526), (3267, 8660), (3630, 7794), (3897, 7260), (4330, 6534), (4356, 6495), (4763, 5940), (5196, 5445)]