20078280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6197}}^1$

素因数の和:6220

約数の個数: 80

約数和(自身を含む): 67496220

約数和(自身を除く): 47417940

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, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6197, 12394, 18591, 24788, 30985, 37182, 49576, 55773, 61970, 74364, 92955, 111546, 123940, 148728, 167319, 185910, 223092, 247880, 278865, 334638, 371820, 446184, 501957, 557730, 669276, 743640, 836595, 1003914, 1115460, 1338552, 1673190, 2007828, 2230920, 2509785, 3346380, 4015656, 5019570, 6692760, 10039140, 20078280]

約数ペア:

[(1, 20078280), (2, 10039140), (3, 6692760), (4, 5019570), (5, 4015656), (6, 3346380), (8, 2509785), (9, 2230920), (10, 2007828), (12, 1673190), (15, 1338552), (18, 1115460), (20, 1003914), (24, 836595), (27, 743640), (30, 669276), (36, 557730), (40, 501957), (45, 446184), (54, 371820), (60, 334638), (72, 278865), (81, 247880), (90, 223092), (108, 185910), (120, 167319), (135, 148728), (162, 123940), (180, 111546), (216, 92955), (270, 74364), (324, 61970), (360, 55773), (405, 49576), (540, 37182), (648, 30985), (810, 24788), (1080, 18591), (1620, 12394), (3240, 6197)]