67856220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19875

約数の個数: 72

約数和(自身を含む): 216674640

約数和(自身を除く): 148818420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19841, 39682, 59523, 79364, 99205, 119046, 178569, 198410, 238092, 297615, 357138, 376979, 396820, 595230, 714276, 753958, 892845, 1130937, 1190460, 1507916, 1785690, 1884895, 2261874, 3392811, 3571380, 3769790, 4523748, 5654685, 6785622, 7539580, 11309370, 13571244, 16964055, 22618740, 33928110, 67856220]

約数ペア:

[(1, 67856220), (2, 33928110), (3, 22618740), (4, 16964055), (5, 13571244), (6, 11309370), (9, 7539580), (10, 6785622), (12, 5654685), (15, 4523748), (18, 3769790), (19, 3571380), (20, 3392811), (30, 2261874), (36, 1884895), (38, 1785690), (45, 1507916), (57, 1190460), (60, 1130937), (76, 892845), (90, 753958), (95, 714276), (114, 595230), (171, 396820), (180, 376979), (190, 357138), (228, 297615), (285, 238092), (342, 198410), (380, 178569), (570, 119046), (684, 99205), (855, 79364), (1140, 59523), (1710, 39682), (3420, 19841)]