16905060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4977

約数の個数: 72

約数和(自身を含む): 53988480

約数和(自身を除く): 37083420

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, 4943, 9886, 14829, 19772, 24715, 29658, 44487, 49430, 59316, 74145, 88974, 93917, 98860, 148290, 177948, 187834, 222435, 281751, 296580, 375668, 444870, 469585, 563502, 845253, 889740, 939170, 1127004, 1408755, 1690506, 1878340, 2817510, 3381012, 4226265, 5635020, 8452530, 16905060]

約数ペア:

[(1, 16905060), (2, 8452530), (3, 5635020), (4, 4226265), (5, 3381012), (6, 2817510), (9, 1878340), (10, 1690506), (12, 1408755), (15, 1127004), (18, 939170), (19, 889740), (20, 845253), (30, 563502), (36, 469585), (38, 444870), (45, 375668), (57, 296580), (60, 281751), (76, 222435), (90, 187834), (95, 177948), (114, 148290), (171, 98860), (180, 93917), (190, 88974), (228, 74145), (285, 59316), (342, 49430), (380, 44487), (570, 29658), (684, 24715), (855, 19772), (1140, 14829), (1710, 9886), (3420, 4943)]