61531920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:550

約数の個数: 160

約数和(自身を含む): 215879040

約数和(自身を除く): 154347120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 467, 488, 540, 549, 610, 720, 732, 915, 934, 976, 1080, 1098, 1220, 1401, 1464, 1647, 1830, 1868, 2160, 2196, 2335, 2440, 2745, 2802, 2928, 3294, 3660, 3736, 4203, 4392, 4670, 4880, 5490, 5604, 6588, 7005, 7320, 7472, 8235, 8406, 8784, 9340, 10980, 11208, 12609, 13176, 14010, 14640, 16470, 16812, 18680, 21015, 21960, 22416, 25218, 26352, 28020, 28487, 32940, 33624, 37360, 42030, 43920, 50436, 56040, 56974, 63045, 65880, 67248, 84060, 85461, 100872, 112080, 113948, 126090, 131760, 142435, 168120, 170922, 201744, 227896, 252180, 256383, 284870, 336240, 341844, 427305, 455792, 504360, 512766, 569740, 683688, 769149, 854610, 1008720, 1025532, 1139480, 1281915, 1367376, 1538298, 1709220, 2051064, 2278960, 2563830, 3076596, 3418440, 3845745, 4102128, 5127660, 6153192, 6836880, 7691490, 10255320, 12306384, 15382980, 20510640, 30765960, 61531920]

約数ペア:

[(1, 61531920), (2, 30765960), (3, 20510640), (4, 15382980), (5, 12306384), (6, 10255320), (8, 7691490), (9, 6836880), (10, 6153192), (12, 5127660), (15, 4102128), (16, 3845745), (18, 3418440), (20, 3076596), (24, 2563830), (27, 2278960), (30, 2051064), (36, 1709220), (40, 1538298), (45, 1367376), (48, 1281915), (54, 1139480), (60, 1025532), (61, 1008720), (72, 854610), (80, 769149), (90, 683688), (108, 569740), (120, 512766), (122, 504360), (135, 455792), (144, 427305), (180, 341844), (183, 336240), (216, 284870), (240, 256383), (244, 252180), (270, 227896), (305, 201744), (360, 170922), (366, 168120), (432, 142435), (467, 131760), (488, 126090), (540, 113948), (549, 112080), (610, 100872), (720, 85461), (732, 84060), (915, 67248), (934, 65880), (976, 63045), (1080, 56974), (1098, 56040), (1220, 50436), (1401, 43920), (1464, 42030), (1647, 37360), (1830, 33624), (1868, 32940), (2160, 28487), (2196, 28020), (2335, 26352), (2440, 25218), (2745, 22416), (2802, 21960), (2928, 21015), (3294, 18680), (3660, 16812), (3736, 16470), (4203, 14640), (4392, 14010), (4670, 13176), (4880, 12609), (5490, 11208), (5604, 10980), (6588, 9340), (7005, 8784), (7320, 8406), (7472, 8235)]