28318620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 87526656

約数和(自身を除く): 59208036

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 321, 330, 401, 428, 535, 642, 660, 802, 1070, 1177, 1203, 1284, 1604, 1605, 2005, 2140, 2354, 2406, 3210, 3531, 4010, 4411, 4708, 4812, 5885, 6015, 6420, 7062, 8020, 8822, 11770, 12030, 13233, 14124, 17644, 17655, 22055, 23540, 24060, 26466, 35310, 42907, 44110, 52932, 66165, 70620, 85814, 88220, 128721, 132330, 171628, 214535, 257442, 264660, 429070, 471977, 514884, 643605, 858140, 943954, 1287210, 1415931, 1887908, 2359885, 2574420, 2831862, 4719770, 5663724, 7079655, 9439540, 14159310, 28318620]

約数ペア:

[(1, 28318620), (2, 14159310), (3, 9439540), (4, 7079655), (5, 5663724), (6, 4719770), (10, 2831862), (11, 2574420), (12, 2359885), (15, 1887908), (20, 1415931), (22, 1287210), (30, 943954), (33, 858140), (44, 643605), (55, 514884), (60, 471977), (66, 429070), (107, 264660), (110, 257442), (132, 214535), (165, 171628), (214, 132330), (220, 128721), (321, 88220), (330, 85814), (401, 70620), (428, 66165), (535, 52932), (642, 44110), (660, 42907), (802, 35310), (1070, 26466), (1177, 24060), (1203, 23540), (1284, 22055), (1604, 17655), (1605, 17644), (2005, 14124), (2140, 13233), (2354, 12030), (2406, 11770), (3210, 8822), (3531, 8020), (4010, 7062), (4411, 6420), (4708, 6015), (4812, 5885)]