15884720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 39372480

約数和(自身を除く): 23487760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 97, 115, 178, 184, 194, 230, 356, 368, 388, 445, 460, 485, 712, 776, 890, 920, 970, 1424, 1552, 1780, 1840, 1940, 2047, 2231, 3560, 3880, 4094, 4462, 7120, 7760, 8188, 8633, 8924, 10235, 11155, 16376, 17266, 17848, 20470, 22310, 32752, 34532, 35696, 40940, 43165, 44620, 69064, 81880, 86330, 89240, 138128, 163760, 172660, 178480, 198559, 345320, 397118, 690640, 794236, 992795, 1588472, 1985590, 3176944, 3971180, 7942360, 15884720]

約数ペア:

[(1, 15884720), (2, 7942360), (4, 3971180), (5, 3176944), (8, 1985590), (10, 1588472), (16, 992795), (20, 794236), (23, 690640), (40, 397118), (46, 345320), (80, 198559), (89, 178480), (92, 172660), (97, 163760), (115, 138128), (178, 89240), (184, 86330), (194, 81880), (230, 69064), (356, 44620), (368, 43165), (388, 40940), (445, 35696), (460, 34532), (485, 32752), (712, 22310), (776, 20470), (890, 17848), (920, 17266), (970, 16376), (1424, 11155), (1552, 10235), (1780, 8924), (1840, 8633), (1940, 8188), (2047, 7760), (2231, 7120), (3560, 4462), (3880, 4094)]