1281211920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1779461}}^1$

素因数の和:1779480

約数の個数: 60

約数和(自身を含む): 4302739116

約数和(自身を除く): 3021527196

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, 1779461, 3558922, 5338383, 7117844, 8897305, 10676766, 14235688, 16015149, 17794610, 21353532, 26691915, 28471376, 32030298, 35589220, 42707064, 53383830, 64060596, 71178440, 80075745, 85414128, 106767660, 128121192, 142356880, 160151490, 213535320, 256242384, 320302980, 427070640, 640605960, 1281211920]

約数ペア:

[(1, 1281211920), (2, 640605960), (3, 427070640), (4, 320302980), (5, 256242384), (6, 213535320), (8, 160151490), (9, 142356880), (10, 128121192), (12, 106767660), (15, 85414128), (16, 80075745), (18, 71178440), (20, 64060596), (24, 53383830), (30, 42707064), (36, 35589220), (40, 32030298), (45, 28471376), (48, 26691915), (60, 21353532), (72, 17794610), (80, 16015149), (90, 14235688), (120, 10676766), (144, 8897305), (180, 7117844), (240, 5338383), (360, 3558922), (720, 1779461)]