81394950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 254983680

約数和(自身を除く): 173588730

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 67, 70, 75, 78, 89, 91, 105, 130, 134, 150, 175, 178, 182, 195, 201, 210, 267, 273, 325, 335, 350, 390, 402, 445, 455, 469, 525, 534, 546, 623, 650, 670, 871, 890, 910, 938, 975, 1005, 1050, 1157, 1246, 1335, 1365, 1407, 1675, 1742, 1869, 1950, 2010, 2225, 2275, 2314, 2345, 2613, 2670, 2730, 2814, 3115, 3350, 3471, 3738, 4355, 4450, 4550, 4690, 5025, 5226, 5785, 5963, 6097, 6230, 6675, 6825, 6942, 7035, 8099, 8710, 9345, 10050, 11570, 11725, 11926, 12194, 13065, 13350, 13650, 14070, 15575, 16198, 17355, 17889, 18291, 18690, 21775, 23450, 24297, 26130, 28925, 29815, 30485, 31150, 34710, 35175, 35778, 36582, 40495, 41741, 43550, 46725, 48594, 57850, 59630, 60970, 65325, 70350, 77519, 80990, 83482, 86775, 89445, 91455, 93450, 121485, 125223, 130650, 149075, 152425, 155038, 173550, 178890, 182910, 202475, 208705, 232557, 242970, 250446, 298150, 304850, 387595, 404950, 417410, 447225, 457275, 465114, 542633, 607425, 626115, 775190, 894450, 914550, 1043525, 1085266, 1162785, 1214850, 1252230, 1627899, 1937975, 2087050, 2325570, 2713165, 3130575, 3255798, 3875950, 5426330, 5813925, 6261150, 8139495, 11627850, 13565825, 16278990, 27131650, 40697475, 81394950]

約数ペア:

[(1, 81394950), (2, 40697475), (3, 27131650), (5, 16278990), (6, 13565825), (7, 11627850), (10, 8139495), (13, 6261150), (14, 5813925), (15, 5426330), (21, 3875950), (25, 3255798), (26, 3130575), (30, 2713165), (35, 2325570), (39, 2087050), (42, 1937975), (50, 1627899), (65, 1252230), (67, 1214850), (70, 1162785), (75, 1085266), (78, 1043525), (89, 914550), (91, 894450), (105, 775190), (130, 626115), (134, 607425), (150, 542633), (175, 465114), (178, 457275), (182, 447225), (195, 417410), (201, 404950), (210, 387595), (267, 304850), (273, 298150), (325, 250446), (335, 242970), (350, 232557), (390, 208705), (402, 202475), (445, 182910), (455, 178890), (469, 173550), (525, 155038), (534, 152425), (546, 149075), (623, 130650), (650, 125223), (670, 121485), (871, 93450), (890, 91455), (910, 89445), (938, 86775), (975, 83482), (1005, 80990), (1050, 77519), (1157, 70350), (1246, 65325), (1335, 60970), (1365, 59630), (1407, 57850), (1675, 48594), (1742, 46725), (1869, 43550), (1950, 41741), (2010, 40495), (2225, 36582), (2275, 35778), (2314, 35175), (2345, 34710), (2613, 31150), (2670, 30485), (2730, 29815), (2814, 28925), (3115, 26130), (3350, 24297), (3471, 23450), (3738, 21775), (4355, 18690), (4450, 18291), (4550, 17889), (4690, 17355), (5025, 16198), (5226, 15575), (5785, 14070), (5963, 13650), (6097, 13350), (6230, 13065), (6675, 12194), (6825, 11926), (6942, 11725), (7035, 11570), (8099, 10050), (8710, 9345)]