16000380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8107

約数の個数: 72

約数和(自身を含む): 52953264

約数和(自身を除く): 36952884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8081, 16162, 24243, 32324, 40405, 48486, 72729, 80810, 88891, 96972, 121215, 145458, 161620, 177782, 242430, 266673, 290916, 355564, 363645, 444455, 484860, 533346, 727290, 800019, 888910, 1066692, 1333365, 1454580, 1600038, 1777820, 2666730, 3200076, 4000095, 5333460, 8000190, 16000380]

約数ペア:

[(1, 16000380), (2, 8000190), (3, 5333460), (4, 4000095), (5, 3200076), (6, 2666730), (9, 1777820), (10, 1600038), (11, 1454580), (12, 1333365), (15, 1066692), (18, 888910), (20, 800019), (22, 727290), (30, 533346), (33, 484860), (36, 444455), (44, 363645), (45, 355564), (55, 290916), (60, 266673), (66, 242430), (90, 177782), (99, 161620), (110, 145458), (132, 121215), (165, 96972), (180, 88891), (198, 80810), (220, 72729), (330, 48486), (396, 40405), (495, 32324), (660, 24243), (990, 16162), (1980, 8081)]