281427480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{260581}}^1$

素因数の和:260601

約数の個数: 64

約数和(自身を含む): 938095200

約数和(自身を除く): 656667720

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 260581, 521162, 781743, 1042324, 1302905, 1563486, 2084648, 2345229, 2605810, 3126972, 3908715, 4690458, 5211620, 6253944, 7035687, 7817430, 9380916, 10423240, 11726145, 14071374, 15634860, 18761832, 23452290, 28142748, 31269720, 35178435, 46904580, 56285496, 70356870, 93809160, 140713740, 281427480]

約数ペア:

[(1, 281427480), (2, 140713740), (3, 93809160), (4, 70356870), (5, 56285496), (6, 46904580), (8, 35178435), (9, 31269720), (10, 28142748), (12, 23452290), (15, 18761832), (18, 15634860), (20, 14071374), (24, 11726145), (27, 10423240), (30, 9380916), (36, 7817430), (40, 7035687), (45, 6253944), (54, 5211620), (60, 4690458), (72, 3908715), (90, 3126972), (108, 2605810), (120, 2345229), (135, 2084648), (180, 1563486), (216, 1302905), (270, 1042324), (360, 781743), (540, 521162), (1080, 260581)]