90320360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 227681280

約数和(自身を除く): 137360920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 431, 520, 620, 676, 806, 845, 862, 1240, 1352, 1612, 1690, 1724, 2015, 2155, 3224, 3380, 3448, 4030, 4310, 5239, 5603, 6760, 8060, 8620, 10478, 11206, 13361, 16120, 17240, 20956, 22412, 26195, 26722, 28015, 41912, 44824, 52390, 53444, 56030, 66805, 72839, 104780, 106888, 112060, 133610, 145678, 173693, 209560, 224120, 267220, 291356, 347386, 364195, 534440, 582712, 694772, 728390, 868465, 1389544, 1456780, 1736930, 2258009, 2913560, 3473860, 4516018, 6947720, 9032036, 11290045, 18064072, 22580090, 45160180, 90320360]

約数ペア:

[(1, 90320360), (2, 45160180), (4, 22580090), (5, 18064072), (8, 11290045), (10, 9032036), (13, 6947720), (20, 4516018), (26, 3473860), (31, 2913560), (40, 2258009), (52, 1736930), (62, 1456780), (65, 1389544), (104, 868465), (124, 728390), (130, 694772), (155, 582712), (169, 534440), (248, 364195), (260, 347386), (310, 291356), (338, 267220), (403, 224120), (431, 209560), (520, 173693), (620, 145678), (676, 133610), (806, 112060), (845, 106888), (862, 104780), (1240, 72839), (1352, 66805), (1612, 56030), (1690, 53444), (1724, 52390), (2015, 44824), (2155, 41912), (3224, 28015), (3380, 26722), (3448, 26195), (4030, 22412), (4310, 20956), (5239, 17240), (5603, 16120), (6760, 13361), (8060, 11206), (8620, 10478)]