320493240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{296753}}^1$

素因数の和:296773

約数の個数: 64

約数和(自身を含む): 1068314400

約数和(自身を除く): 747821160

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, 296753, 593506, 890259, 1187012, 1483765, 1780518, 2374024, 2670777, 2967530, 3561036, 4451295, 5341554, 5935060, 7122072, 8012331, 8902590, 10683108, 11870120, 13353885, 16024662, 17805180, 21366216, 26707770, 32049324, 35610360, 40061655, 53415540, 64098648, 80123310, 106831080, 160246620, 320493240]

約数ペア:

[(1, 320493240), (2, 160246620), (3, 106831080), (4, 80123310), (5, 64098648), (6, 53415540), (8, 40061655), (9, 35610360), (10, 32049324), (12, 26707770), (15, 21366216), (18, 17805180), (20, 16024662), (24, 13353885), (27, 11870120), (30, 10683108), (36, 8902590), (40, 8012331), (45, 7122072), (54, 5935060), (60, 5341554), (72, 4451295), (90, 3561036), (108, 2967530), (120, 2670777), (135, 2374024), (180, 1780518), (216, 1483765), (270, 1187012), (360, 890259), (540, 593506), (1080, 296753)]