68627440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 193737600

約数和(自身を除く): 125110160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 61, 70, 80, 82, 98, 112, 122, 140, 164, 196, 205, 244, 245, 280, 287, 305, 328, 343, 392, 410, 427, 488, 490, 560, 574, 610, 656, 686, 784, 820, 854, 976, 980, 1148, 1220, 1372, 1435, 1640, 1708, 1715, 1960, 2009, 2135, 2296, 2440, 2501, 2744, 2870, 2989, 3280, 3416, 3430, 3920, 4018, 4270, 4592, 4880, 5002, 5488, 5740, 5978, 6832, 6860, 8036, 8540, 10004, 10045, 11480, 11956, 12505, 13720, 14063, 14945, 16072, 17080, 17507, 20008, 20090, 20923, 22960, 23912, 25010, 27440, 28126, 29890, 32144, 34160, 35014, 40016, 40180, 41846, 47824, 50020, 56252, 59780, 70028, 70315, 80360, 83692, 87535, 100040, 104615, 112504, 119560, 122549, 140056, 140630, 160720, 167384, 175070, 200080, 209230, 225008, 239120, 245098, 280112, 281260, 334768, 350140, 418460, 490196, 562520, 612745, 700280, 836920, 857843, 980392, 1125040, 1225490, 1400560, 1673840, 1715686, 1960784, 2450980, 3431372, 4289215, 4901960, 6862744, 8578430, 9803920, 13725488, 17156860, 34313720, 68627440]

約数ペア:

[(1, 68627440), (2, 34313720), (4, 17156860), (5, 13725488), (7, 9803920), (8, 8578430), (10, 6862744), (14, 4901960), (16, 4289215), (20, 3431372), (28, 2450980), (35, 1960784), (40, 1715686), (41, 1673840), (49, 1400560), (56, 1225490), (61, 1125040), (70, 980392), (80, 857843), (82, 836920), (98, 700280), (112, 612745), (122, 562520), (140, 490196), (164, 418460), (196, 350140), (205, 334768), (244, 281260), (245, 280112), (280, 245098), (287, 239120), (305, 225008), (328, 209230), (343, 200080), (392, 175070), (410, 167384), (427, 160720), (488, 140630), (490, 140056), (560, 122549), (574, 119560), (610, 112504), (656, 104615), (686, 100040), (784, 87535), (820, 83692), (854, 80360), (976, 70315), (980, 70028), (1148, 59780), (1220, 56252), (1372, 50020), (1435, 47824), (1640, 41846), (1708, 40180), (1715, 40016), (1960, 35014), (2009, 34160), (2135, 32144), (2296, 29890), (2440, 28126), (2501, 27440), (2744, 25010), (2870, 23912), (2989, 22960), (3280, 20923), (3416, 20090), (3430, 20008), (3920, 17507), (4018, 17080), (4270, 16072), (4592, 14945), (4880, 14063), (5002, 13720), (5488, 12505), (5740, 11956), (5978, 11480), (6832, 10045), (6860, 10004), (8036, 8540)]