261230772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 748077120

約数和(自身を除く): 486846348

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 102, 114, 121, 132, 187, 204, 209, 228, 242, 323, 363, 374, 418, 484, 557, 561, 627, 646, 726, 748, 836, 969, 1114, 1122, 1254, 1292, 1452, 1671, 1938, 2057, 2228, 2244, 2299, 2508, 3342, 3553, 3876, 4114, 4598, 6127, 6171, 6684, 6897, 7106, 8228, 9196, 9469, 10583, 10659, 12254, 12342, 13794, 14212, 18381, 18938, 21166, 21318, 24508, 24684, 27588, 28407, 31749, 36762, 37876, 39083, 42332, 42636, 56814, 63498, 67397, 73524, 78166, 104159, 113628, 116413, 117249, 126996, 134794, 156332, 179911, 202191, 208318, 232826, 234498, 269588, 312477, 349239, 359822, 404382, 416636, 465652, 468996, 539733, 624954, 698478, 719644, 808764, 1079466, 1145749, 1249908, 1280543, 1396956, 1979021, 2158932, 2291498, 2561086, 3437247, 3841629, 3958042, 4582996, 5122172, 5937063, 6874494, 7683258, 7916084, 11874126, 13748988, 15366516, 21769231, 23748252, 43538462, 65307693, 87076924, 130615386, 261230772]

約数ペア:

[(1, 261230772), (2, 130615386), (3, 87076924), (4, 65307693), (6, 43538462), (11, 23748252), (12, 21769231), (17, 15366516), (19, 13748988), (22, 11874126), (33, 7916084), (34, 7683258), (38, 6874494), (44, 5937063), (51, 5122172), (57, 4582996), (66, 3958042), (68, 3841629), (76, 3437247), (102, 2561086), (114, 2291498), (121, 2158932), (132, 1979021), (187, 1396956), (204, 1280543), (209, 1249908), (228, 1145749), (242, 1079466), (323, 808764), (363, 719644), (374, 698478), (418, 624954), (484, 539733), (557, 468996), (561, 465652), (627, 416636), (646, 404382), (726, 359822), (748, 349239), (836, 312477), (969, 269588), (1114, 234498), (1122, 232826), (1254, 208318), (1292, 202191), (1452, 179911), (1671, 156332), (1938, 134794), (2057, 126996), (2228, 117249), (2244, 116413), (2299, 113628), (2508, 104159), (3342, 78166), (3553, 73524), (3876, 67397), (4114, 63498), (4598, 56814), (6127, 42636), (6171, 42332), (6684, 39083), (6897, 37876), (7106, 36762), (8228, 31749), (9196, 28407), (9469, 27588), (10583, 24684), (10659, 24508), (12254, 21318), (12342, 21166), (13794, 18938), (14212, 18381)]