318601440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{221251}}^1$

素因数の和:221272

約数の個数: 72

約数和(自身を含む): 1087232328

約数和(自身を除く): 768630888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 221251, 442502, 663753, 885004, 1106255, 1327506, 1770008, 1991259, 2212510, 2655012, 3318765, 3540016, 3982518, 4425020, 5310024, 6637530, 7080032, 7965036, 8850040, 9956295, 10620048, 13275060, 15930072, 17700080, 19912590, 21240096, 26550120, 31860144, 35400160, 39825180, 53100240, 63720288, 79650360, 106200480, 159300720, 318601440]

約数ペア:

[(1, 318601440), (2, 159300720), (3, 106200480), (4, 79650360), (5, 63720288), (6, 53100240), (8, 39825180), (9, 35400160), (10, 31860144), (12, 26550120), (15, 21240096), (16, 19912590), (18, 17700080), (20, 15930072), (24, 13275060), (30, 10620048), (32, 9956295), (36, 8850040), (40, 7965036), (45, 7080032), (48, 6637530), (60, 5310024), (72, 4425020), (80, 3982518), (90, 3540016), (96, 3318765), (120, 2655012), (144, 2212510), (160, 1991259), (180, 1770008), (240, 1327506), (288, 1106255), (360, 885004), (480, 663753), (720, 442502), (1440, 221251)]