81790560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{6311}}^1$

素因数の和:6338

約数の個数: 120

約数和(自身を含む): 288698256

約数和(自身を除く): 206907696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6311, 6480, 12622, 12960, 18933, 25244, 31555, 37866, 50488, 56799, 63110, 75732, 94665, 100976, 113598, 126220, 151464, 170397, 189330, 201952, 227196, 252440, 283995, 302928, 340794, 378660, 454392, 504880, 511191, 567990, 605856, 681588, 757320, 851985, 908784, 1009760, 1022382, 1135980, 1363176, 1514640, 1703970, 1817568, 2044764, 2271960, 2555955, 2726352, 3029280, 3407940, 4089528, 4543920, 5111910, 5452704, 6815880, 8179056, 9087840, 10223820, 13631760, 16358112, 20447640, 27263520, 40895280, 81790560]

約数ペア:

[(1, 81790560), (2, 40895280), (3, 27263520), (4, 20447640), (5, 16358112), (6, 13631760), (8, 10223820), (9, 9087840), (10, 8179056), (12, 6815880), (15, 5452704), (16, 5111910), (18, 4543920), (20, 4089528), (24, 3407940), (27, 3029280), (30, 2726352), (32, 2555955), (36, 2271960), (40, 2044764), (45, 1817568), (48, 1703970), (54, 1514640), (60, 1363176), (72, 1135980), (80, 1022382), (81, 1009760), (90, 908784), (96, 851985), (108, 757320), (120, 681588), (135, 605856), (144, 567990), (160, 511191), (162, 504880), (180, 454392), (216, 378660), (240, 340794), (270, 302928), (288, 283995), (324, 252440), (360, 227196), (405, 201952), (432, 189330), (480, 170397), (540, 151464), (648, 126220), (720, 113598), (810, 100976), (864, 94665), (1080, 75732), (1296, 63110), (1440, 56799), (1620, 50488), (2160, 37866), (2592, 31555), (3240, 25244), (4320, 18933), (6311, 12960), (6480, 12622)]