261917760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:741

約数の個数: 224

約数和(自身を含む): 925811712

約数和(自身を除く): 663893952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 677, 744, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1354, 1488, 1560, 1612, 1860, 1984, 2015, 2031, 2080, 2418, 2480, 2496, 2708, 2976, 3120, 3224, 3385, 3720, 4030, 4062, 4160, 4836, 4960, 5416, 5952, 6045, 6240, 6448, 6770, 7440, 8060, 8124, 8801, 9672, 9920, 10155, 10832, 12090, 12480, 12896, 13540, 14880, 16120, 16248, 17602, 19344, 20310, 20987, 21664, 24180, 25792, 26403, 27080, 29760, 32240, 32496, 35204, 38688, 40620, 41974, 43328, 44005, 48360, 52806, 54160, 62961, 64480, 64992, 70408, 77376, 81240, 83948, 88010, 96720, 104935, 105612, 108320, 125922, 128960, 129984, 132015, 140816, 162480, 167896, 176020, 193440, 209870, 211224, 216640, 251844, 264030, 272831, 281632, 314805, 324960, 335792, 352040, 386880, 419740, 422448, 503688, 528060, 545662, 563264, 629610, 649920, 671584, 704080, 818493, 839480, 844896, 1007376, 1056120, 1091324, 1259220, 1343168, 1364155, 1408160, 1636986, 1678960, 1689792, 2014752, 2112240, 2182648, 2518440, 2728310, 2816320, 3273972, 3357920, 4029504, 4092465, 4224480, 4365296, 5036880, 5456620, 6547944, 6715840, 8184930, 8448960, 8730592, 10073760, 10913240, 13095888, 16369860, 17461184, 20147520, 21826480, 26191776, 32739720, 43652960, 52383552, 65479440, 87305920, 130958880, 261917760]

約数ペア:

[(1, 261917760), (2, 130958880), (3, 87305920), (4, 65479440), (5, 52383552), (6, 43652960), (8, 32739720), (10, 26191776), (12, 21826480), (13, 20147520), (15, 17461184), (16, 16369860), (20, 13095888), (24, 10913240), (26, 10073760), (30, 8730592), (31, 8448960), (32, 8184930), (39, 6715840), (40, 6547944), (48, 5456620), (52, 5036880), (60, 4365296), (62, 4224480), (64, 4092465), (65, 4029504), (78, 3357920), (80, 3273972), (93, 2816320), (96, 2728310), (104, 2518440), (120, 2182648), (124, 2112240), (130, 2014752), (155, 1689792), (156, 1678960), (160, 1636986), (186, 1408160), (192, 1364155), (195, 1343168), (208, 1259220), (240, 1091324), (248, 1056120), (260, 1007376), (310, 844896), (312, 839480), (320, 818493), (372, 704080), (390, 671584), (403, 649920), (416, 629610), (465, 563264), (480, 545662), (496, 528060), (520, 503688), (620, 422448), (624, 419740), (677, 386880), (744, 352040), (780, 335792), (806, 324960), (832, 314805), (930, 281632), (960, 272831), (992, 264030), (1040, 251844), (1209, 216640), (1240, 211224), (1248, 209870), (1354, 193440), (1488, 176020), (1560, 167896), (1612, 162480), (1860, 140816), (1984, 132015), (2015, 129984), (2031, 128960), (2080, 125922), (2418, 108320), (2480, 105612), (2496, 104935), (2708, 96720), (2976, 88010), (3120, 83948), (3224, 81240), (3385, 77376), (3720, 70408), (4030, 64992), (4062, 64480), (4160, 62961), (4836, 54160), (4960, 52806), (5416, 48360), (5952, 44005), (6045, 43328), (6240, 41974), (6448, 40620), (6770, 38688), (7440, 35204), (8060, 32496), (8124, 32240), (8801, 29760), (9672, 27080), (9920, 26403), (10155, 25792), (10832, 24180), (12090, 21664), (12480, 20987), (12896, 20310), (13540, 19344), (14880, 17602), (16120, 16248)]