78972840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:984

約数の個数: 128

約数和(自身を含む): 266716800

約数和(自身を除く): 187743960

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, 83, 90, 108, 120, 135, 166, 180, 216, 249, 270, 332, 360, 415, 498, 540, 664, 747, 830, 881, 996, 1080, 1245, 1494, 1660, 1762, 1992, 2241, 2490, 2643, 2988, 3320, 3524, 3735, 4405, 4482, 4980, 5286, 5976, 7048, 7470, 7929, 8810, 8964, 9960, 10572, 11205, 13215, 14940, 15858, 17620, 17928, 21144, 22410, 23787, 26430, 29880, 31716, 35240, 39645, 44820, 47574, 52860, 63432, 73123, 79290, 89640, 95148, 105720, 118935, 146246, 158580, 190296, 219369, 237870, 292492, 317160, 365615, 438738, 475740, 584984, 658107, 731230, 877476, 951480, 1096845, 1316214, 1462460, 1754952, 1974321, 2193690, 2632428, 2924920, 3290535, 3948642, 4387380, 5264856, 6581070, 7897284, 8774760, 9871605, 13162140, 15794568, 19743210, 26324280, 39486420, 78972840]

約数ペア:

[(1, 78972840), (2, 39486420), (3, 26324280), (4, 19743210), (5, 15794568), (6, 13162140), (8, 9871605), (9, 8774760), (10, 7897284), (12, 6581070), (15, 5264856), (18, 4387380), (20, 3948642), (24, 3290535), (27, 2924920), (30, 2632428), (36, 2193690), (40, 1974321), (45, 1754952), (54, 1462460), (60, 1316214), (72, 1096845), (83, 951480), (90, 877476), (108, 731230), (120, 658107), (135, 584984), (166, 475740), (180, 438738), (216, 365615), (249, 317160), (270, 292492), (332, 237870), (360, 219369), (415, 190296), (498, 158580), (540, 146246), (664, 118935), (747, 105720), (830, 95148), (881, 89640), (996, 79290), (1080, 73123), (1245, 63432), (1494, 52860), (1660, 47574), (1762, 44820), (1992, 39645), (2241, 35240), (2490, 31716), (2643, 29880), (2988, 26430), (3320, 23787), (3524, 22410), (3735, 21144), (4405, 17928), (4482, 17620), (4980, 15858), (5286, 14940), (5976, 13215), (7048, 11205), (7470, 10572), (7929, 9960), (8810, 8964)]