281377140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 907441920

約数和(自身を除く): 626064780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 61, 66, 87, 110, 116, 122, 132, 145, 165, 174, 183, 220, 241, 244, 290, 305, 319, 330, 348, 366, 435, 482, 580, 610, 638, 660, 671, 723, 732, 870, 915, 957, 964, 1205, 1220, 1276, 1342, 1446, 1595, 1740, 1769, 1830, 1914, 2013, 2410, 2651, 2684, 2892, 3190, 3355, 3538, 3615, 3660, 3828, 4026, 4785, 4820, 5302, 5307, 6380, 6710, 6989, 7076, 7230, 7953, 8052, 8845, 9570, 10065, 10604, 10614, 13255, 13420, 13978, 14460, 14701, 15906, 17690, 19140, 19459, 20130, 20967, 21228, 26510, 26535, 27956, 29402, 31812, 34945, 35380, 38918, 39765, 40260, 41934, 44103, 53020, 53070, 58377, 58804, 69890, 73505, 76879, 77836, 79530, 83868, 88206, 97295, 104835, 106140, 116754, 139780, 147010, 153758, 159060, 161711, 176412, 194590, 209670, 220515, 230637, 233508, 291885, 294020, 307516, 323422, 384395, 389180, 419340, 426329, 441030, 461274, 485133, 583770, 646844, 768790, 808555, 852658, 882060, 922548, 970266, 1153185, 1167540, 1278987, 1537580, 1617110, 1705316, 1940532, 2131645, 2306370, 2425665, 2557974, 3234220, 4263290, 4612740, 4689619, 4851330, 5115948, 6394935, 8526580, 9379238, 9702660, 12789870, 14068857, 18758476, 23448095, 25579740, 28137714, 46896190, 56275428, 70344285, 93792380, 140688570, 281377140]

約数ペア:

[(1, 281377140), (2, 140688570), (3, 93792380), (4, 70344285), (5, 56275428), (6, 46896190), (10, 28137714), (11, 25579740), (12, 23448095), (15, 18758476), (20, 14068857), (22, 12789870), (29, 9702660), (30, 9379238), (33, 8526580), (44, 6394935), (55, 5115948), (58, 4851330), (60, 4689619), (61, 4612740), (66, 4263290), (87, 3234220), (110, 2557974), (116, 2425665), (122, 2306370), (132, 2131645), (145, 1940532), (165, 1705316), (174, 1617110), (183, 1537580), (220, 1278987), (241, 1167540), (244, 1153185), (290, 970266), (305, 922548), (319, 882060), (330, 852658), (348, 808555), (366, 768790), (435, 646844), (482, 583770), (580, 485133), (610, 461274), (638, 441030), (660, 426329), (671, 419340), (723, 389180), (732, 384395), (870, 323422), (915, 307516), (957, 294020), (964, 291885), (1205, 233508), (1220, 230637), (1276, 220515), (1342, 209670), (1446, 194590), (1595, 176412), (1740, 161711), (1769, 159060), (1830, 153758), (1914, 147010), (2013, 139780), (2410, 116754), (2651, 106140), (2684, 104835), (2892, 97295), (3190, 88206), (3355, 83868), (3538, 79530), (3615, 77836), (3660, 76879), (3828, 73505), (4026, 69890), (4785, 58804), (4820, 58377), (5302, 53070), (5307, 53020), (6380, 44103), (6710, 41934), (6989, 40260), (7076, 39765), (7230, 38918), (7953, 35380), (8052, 34945), (8845, 31812), (9570, 29402), (10065, 27956), (10604, 26535), (10614, 26510), (13255, 21228), (13420, 20967), (13978, 20130), (14460, 19459), (14701, 19140), (15906, 17690)]