81971567280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{233777}}^1$

素因数の和:234283

約数の個数: 120

約数和(自身を含む): 275854299552

約数和(自身を除く): 193882732272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 487, 720, 974, 1461, 1948, 2435, 2922, 3896, 4383, 4870, 5844, 7305, 7792, 8766, 9740, 11688, 14610, 17532, 19480, 21915, 23376, 29220, 35064, 38960, 43830, 58440, 70128, 87660, 116880, 175320, 233777, 350640, 467554, 701331, 935108, 1168885, 1402662, 1870216, 2103993, 2337770, 2805324, 3506655, 3740432, 4207986, 4675540, 5610648, 7013310, 8415972, 9351080, 10519965, 11221296, 14026620, 16831944, 18702160, 21039930, 28053240, 33663888, 42079860, 56106480, 84159720, 113849399, 168319440, 227698798, 341548197, 455397596, 569246995, 683096394, 910795192, 1024644591, 1138493990, 1366192788, 1707740985, 1821590384, 2049289182, 2276987980, 2732385576, 3415481970, 4098578364, 4553975960, 5123222955, 5464771152, 6830963940, 8197156728, 9107951920, 10246445910, 13661927880, 16394313456, 20492891820, 27323855760, 40985783640, 81971567280]

約数ペア:

[(1, 81971567280), (2, 40985783640), (3, 27323855760), (4, 20492891820), (5, 16394313456), (6, 13661927880), (8, 10246445910), (9, 9107951920), (10, 8197156728), (12, 6830963940), (15, 5464771152), (16, 5123222955), (18, 4553975960), (20, 4098578364), (24, 3415481970), (30, 2732385576), (36, 2276987980), (40, 2049289182), (45, 1821590384), (48, 1707740985), (60, 1366192788), (72, 1138493990), (80, 1024644591), (90, 910795192), (120, 683096394), (144, 569246995), (180, 455397596), (240, 341548197), (360, 227698798), (487, 168319440), (720, 113849399), (974, 84159720), (1461, 56106480), (1948, 42079860), (2435, 33663888), (2922, 28053240), (3896, 21039930), (4383, 18702160), (4870, 16831944), (5844, 14026620), (7305, 11221296), (7792, 10519965), (8766, 9351080), (9740, 8415972), (11688, 7013310), (14610, 5610648), (17532, 4675540), (19480, 4207986), (21915, 3740432), (23376, 3506655), (29220, 2805324), (35064, 2337770), (38960, 2103993), (43830, 1870216), (58440, 1402662), (70128, 1168885), (87660, 935108), (116880, 701331), (175320, 467554), (233777, 350640)]