28411920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39461}}^1$

素因数の和:39480

約数の個数: 60

約数和(自身を含む): 95419116

約数和(自身を除く): 67007196

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, 720, 39461, 78922, 118383, 157844, 197305, 236766, 315688, 355149, 394610, 473532, 591915, 631376, 710298, 789220, 947064, 1183830, 1420596, 1578440, 1775745, 1894128, 2367660, 2841192, 3156880, 3551490, 4735320, 5682384, 7102980, 9470640, 14205960, 28411920]

約数ペア:

[(1, 28411920), (2, 14205960), (3, 9470640), (4, 7102980), (5, 5682384), (6, 4735320), (8, 3551490), (9, 3156880), (10, 2841192), (12, 2367660), (15, 1894128), (16, 1775745), (18, 1578440), (20, 1420596), (24, 1183830), (30, 947064), (36, 789220), (40, 710298), (45, 631376), (48, 591915), (60, 473532), (72, 394610), (80, 355149), (90, 315688), (120, 236766), (144, 197305), (180, 157844), (240, 118383), (360, 78922), (720, 39461)]