261524208

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 785664000

約数和(自身を除く): 524139792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 131, 132, 152, 176, 199, 209, 228, 262, 264, 304, 393, 398, 418, 456, 524, 528, 597, 627, 786, 796, 836, 912, 1048, 1194, 1254, 1441, 1572, 1592, 1672, 2096, 2189, 2388, 2489, 2508, 2882, 3144, 3184, 3344, 3781, 4323, 4378, 4776, 4978, 5016, 5764, 6288, 6567, 7467, 7562, 8646, 8756, 9552, 9956, 10032, 11343, 11528, 13134, 14934, 15124, 17292, 17512, 19912, 22686, 23056, 26069, 26268, 27379, 29868, 30248, 34584, 35024, 39824, 41591, 45372, 52138, 52536, 54758, 59736, 60496, 69168, 78207, 82137, 83182, 90744, 104276, 105072, 109516, 119472, 124773, 156414, 164274, 166364, 181488, 208552, 219032, 249546, 286759, 312828, 328548, 332728, 417104, 438064, 495311, 499092, 573518, 625656, 657096, 665456, 860277, 990622, 998184, 1147036, 1251312, 1314192, 1485933, 1720554, 1981244, 1996368, 2294072, 2971866, 3441108, 3962488, 4588144, 5448421, 5943732, 6882216, 7924976, 10896842, 11887464, 13764432, 16345263, 21793684, 23774928, 32690526, 43587368, 65381052, 87174736, 130762104, 261524208]

約数ペア:

[(1, 261524208), (2, 130762104), (3, 87174736), (4, 65381052), (6, 43587368), (8, 32690526), (11, 23774928), (12, 21793684), (16, 16345263), (19, 13764432), (22, 11887464), (24, 10896842), (33, 7924976), (38, 6882216), (44, 5943732), (48, 5448421), (57, 4588144), (66, 3962488), (76, 3441108), (88, 2971866), (114, 2294072), (131, 1996368), (132, 1981244), (152, 1720554), (176, 1485933), (199, 1314192), (209, 1251312), (228, 1147036), (262, 998184), (264, 990622), (304, 860277), (393, 665456), (398, 657096), (418, 625656), (456, 573518), (524, 499092), (528, 495311), (597, 438064), (627, 417104), (786, 332728), (796, 328548), (836, 312828), (912, 286759), (1048, 249546), (1194, 219032), (1254, 208552), (1441, 181488), (1572, 166364), (1592, 164274), (1672, 156414), (2096, 124773), (2189, 119472), (2388, 109516), (2489, 105072), (2508, 104276), (2882, 90744), (3144, 83182), (3184, 82137), (3344, 78207), (3781, 69168), (4323, 60496), (4378, 59736), (4776, 54758), (4978, 52536), (5016, 52138), (5764, 45372), (6288, 41591), (6567, 39824), (7467, 35024), (7562, 34584), (8646, 30248), (8756, 29868), (9552, 27379), (9956, 26268), (10032, 26069), (11343, 23056), (11528, 22686), (13134, 19912), (14934, 17512), (15124, 17292)]