28571040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19841}}^1$

素因数の和:19862

約数の個数: 72

約数和(自身を含む): 97503588

約数和(自身を除く): 68932548

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, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 178569, 198410, 238092, 297615, 317456, 357138, 396820, 476184, 595230, 634912, 714276, 793640, 892845, 952368, 1190460, 1428552, 1587280, 1785690, 1904736, 2380920, 2857104, 3174560, 3571380, 4761840, 5714208, 7142760, 9523680, 14285520, 28571040]

約数ペア:

[(1, 28571040), (2, 14285520), (3, 9523680), (4, 7142760), (5, 5714208), (6, 4761840), (8, 3571380), (9, 3174560), (10, 2857104), (12, 2380920), (15, 1904736), (16, 1785690), (18, 1587280), (20, 1428552), (24, 1190460), (30, 952368), (32, 892845), (36, 793640), (40, 714276), (45, 634912), (48, 595230), (60, 476184), (72, 396820), (80, 357138), (90, 317456), (96, 297615), (120, 238092), (144, 198410), (160, 178569), (180, 158728), (240, 119046), (288, 99205), (360, 79364), (480, 59523), (720, 39682), (1440, 19841)]