81973920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 192

約数和(自身を含む): 305012736

約数和(自身を除く): 223038816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 787, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1574, 1680, 1736, 1860, 2170, 2361, 2480, 2604, 2976, 3148, 3255, 3360, 3472, 3720, 3935, 4340, 4722, 4960, 5208, 5509, 6296, 6510, 6944, 7440, 7870, 8680, 9444, 10416, 11018, 11805, 12592, 13020, 14880, 15740, 16527, 17360, 18888, 20832, 22036, 23610, 24397, 25184, 26040, 27545, 31480, 33054, 34720, 37776, 44072, 47220, 48794, 52080, 55090, 62960, 66108, 73191, 75552, 82635, 88144, 94440, 97588, 104160, 110180, 121985, 125920, 132216, 146382, 165270, 170779, 176288, 188880, 195176, 220360, 243970, 264432, 292764, 330540, 341558, 365955, 377760, 390352, 440720, 487940, 512337, 528864, 585528, 661080, 683116, 731910, 780704, 853895, 881440, 975880, 1024674, 1171056, 1322160, 1366232, 1463820, 1707790, 1951760, 2049348, 2342112, 2561685, 2644320, 2732464, 2927640, 3415580, 3903520, 4098696, 5123370, 5464928, 5855280, 6831160, 8197392, 10246740, 11710560, 13662320, 16394784, 20493480, 27324640, 40986960, 81973920]

約数ペア:

[(1, 81973920), (2, 40986960), (3, 27324640), (4, 20493480), (5, 16394784), (6, 13662320), (7, 11710560), (8, 10246740), (10, 8197392), (12, 6831160), (14, 5855280), (15, 5464928), (16, 5123370), (20, 4098696), (21, 3903520), (24, 3415580), (28, 2927640), (30, 2732464), (31, 2644320), (32, 2561685), (35, 2342112), (40, 2049348), (42, 1951760), (48, 1707790), (56, 1463820), (60, 1366232), (62, 1322160), (70, 1171056), (80, 1024674), (84, 975880), (93, 881440), (96, 853895), (105, 780704), (112, 731910), (120, 683116), (124, 661080), (140, 585528), (155, 528864), (160, 512337), (168, 487940), (186, 440720), (210, 390352), (217, 377760), (224, 365955), (240, 341558), (248, 330540), (280, 292764), (310, 264432), (336, 243970), (372, 220360), (420, 195176), (434, 188880), (465, 176288), (480, 170779), (496, 165270), (560, 146382), (620, 132216), (651, 125920), (672, 121985), (744, 110180), (787, 104160), (840, 97588), (868, 94440), (930, 88144), (992, 82635), (1085, 75552), (1120, 73191), (1240, 66108), (1302, 62960), (1488, 55090), (1574, 52080), (1680, 48794), (1736, 47220), (1860, 44072), (2170, 37776), (2361, 34720), (2480, 33054), (2604, 31480), (2976, 27545), (3148, 26040), (3255, 25184), (3360, 24397), (3472, 23610), (3720, 22036), (3935, 20832), (4340, 18888), (4722, 17360), (4960, 16527), (5208, 15740), (5509, 14880), (6296, 13020), (6510, 12592), (6944, 11805), (7440, 11018), (7870, 10416), (8680, 9444)]