77216850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 220376520

約数和(自身を除く): 143159670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 61, 75, 87, 90, 97, 122, 145, 150, 174, 183, 194, 225, 261, 290, 291, 305, 366, 435, 450, 485, 522, 549, 582, 610, 725, 870, 873, 915, 970, 1098, 1305, 1450, 1455, 1525, 1746, 1769, 1830, 2175, 2425, 2610, 2745, 2813, 2910, 3050, 3538, 4350, 4365, 4575, 4850, 5307, 5490, 5626, 5917, 6525, 7275, 8439, 8730, 8845, 9150, 10614, 11834, 13050, 13725, 14065, 14550, 15921, 16878, 17690, 17751, 21825, 25317, 26535, 27450, 28130, 29585, 31842, 35502, 42195, 43650, 44225, 50634, 53070, 53253, 59170, 70325, 79605, 84390, 88450, 88755, 106506, 126585, 132675, 140650, 147925, 159210, 171593, 177510, 210975, 253170, 265350, 266265, 295850, 343186, 398025, 421950, 443775, 514779, 532530, 632925, 796050, 857965, 887550, 1029558, 1265850, 1331325, 1544337, 1715930, 2573895, 2662650, 3088674, 4289825, 5147790, 7721685, 8579650, 12869475, 15443370, 25738950, 38608425, 77216850]

約数ペア:

[(1, 77216850), (2, 38608425), (3, 25738950), (5, 15443370), (6, 12869475), (9, 8579650), (10, 7721685), (15, 5147790), (18, 4289825), (25, 3088674), (29, 2662650), (30, 2573895), (45, 1715930), (50, 1544337), (58, 1331325), (61, 1265850), (75, 1029558), (87, 887550), (90, 857965), (97, 796050), (122, 632925), (145, 532530), (150, 514779), (174, 443775), (183, 421950), (194, 398025), (225, 343186), (261, 295850), (290, 266265), (291, 265350), (305, 253170), (366, 210975), (435, 177510), (450, 171593), (485, 159210), (522, 147925), (549, 140650), (582, 132675), (610, 126585), (725, 106506), (870, 88755), (873, 88450), (915, 84390), (970, 79605), (1098, 70325), (1305, 59170), (1450, 53253), (1455, 53070), (1525, 50634), (1746, 44225), (1769, 43650), (1830, 42195), (2175, 35502), (2425, 31842), (2610, 29585), (2745, 28130), (2813, 27450), (2910, 26535), (3050, 25317), (3538, 21825), (4350, 17751), (4365, 17690), (4575, 16878), (4850, 15921), (5307, 14550), (5490, 14065), (5626, 13725), (5917, 13050), (6525, 11834), (7275, 10614), (8439, 9150), (8730, 8845)]