198505080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 672740640

約数和(自身を除く): 474235560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 197, 216, 270, 311, 324, 360, 394, 405, 540, 591, 622, 648, 788, 810, 933, 985, 1080, 1182, 1244, 1555, 1576, 1620, 1773, 1866, 1970, 2364, 2488, 2799, 2955, 3110, 3240, 3546, 3732, 3940, 4665, 4728, 5319, 5598, 5910, 6220, 7092, 7464, 7880, 8397, 8865, 9330, 10638, 11196, 11820, 12440, 13995, 14184, 15957, 16794, 17730, 18660, 21276, 22392, 23640, 25191, 26595, 27990, 31914, 33588, 35460, 37320, 41985, 42552, 50382, 53190, 55980, 61267, 63828, 67176, 70920, 79785, 83970, 100764, 106380, 111960, 122534, 125955, 127656, 159570, 167940, 183801, 201528, 212760, 245068, 251910, 306335, 319140, 335880, 367602, 490136, 503820, 551403, 612670, 638280, 735204, 919005, 1007640, 1102806, 1225340, 1470408, 1654209, 1838010, 2205612, 2450680, 2757015, 3308418, 3676020, 4411224, 4962627, 5514030, 6616836, 7352040, 8271045, 9925254, 11028060, 13233672, 16542090, 19850508, 22056120, 24813135, 33084180, 39701016, 49626270, 66168360, 99252540, 198505080]

約数ペア:

[(1, 198505080), (2, 99252540), (3, 66168360), (4, 49626270), (5, 39701016), (6, 33084180), (8, 24813135), (9, 22056120), (10, 19850508), (12, 16542090), (15, 13233672), (18, 11028060), (20, 9925254), (24, 8271045), (27, 7352040), (30, 6616836), (36, 5514030), (40, 4962627), (45, 4411224), (54, 3676020), (60, 3308418), (72, 2757015), (81, 2450680), (90, 2205612), (108, 1838010), (120, 1654209), (135, 1470408), (162, 1225340), (180, 1102806), (197, 1007640), (216, 919005), (270, 735204), (311, 638280), (324, 612670), (360, 551403), (394, 503820), (405, 490136), (540, 367602), (591, 335880), (622, 319140), (648, 306335), (788, 251910), (810, 245068), (933, 212760), (985, 201528), (1080, 183801), (1182, 167940), (1244, 159570), (1555, 127656), (1576, 125955), (1620, 122534), (1773, 111960), (1866, 106380), (1970, 100764), (2364, 83970), (2488, 79785), (2799, 70920), (2955, 67176), (3110, 63828), (3240, 61267), (3546, 55980), (3732, 53190), (3940, 50382), (4665, 42552), (4728, 41985), (5319, 37320), (5598, 35460), (5910, 33588), (6220, 31914), (7092, 27990), (7464, 26595), (7880, 25191), (8397, 23640), (8865, 22392), (9330, 21276), (10638, 18660), (11196, 17730), (11820, 16794), (12440, 15957), (13995, 14184)]