2018586780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3917}}^1$

素因数の和:4348

約数の個数: 144

約数和(自身を含む): 7016667840

約数和(自身を除く): 4998081060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 409, 420, 630, 818, 1227, 1260, 1636, 2045, 2454, 2863, 3681, 3917, 4090, 4908, 5726, 6135, 7362, 7834, 8180, 8589, 11452, 11751, 12270, 14315, 14724, 15668, 17178, 18405, 19585, 23502, 24540, 25767, 27419, 28630, 34356, 35253, 36810, 39170, 42945, 47004, 51534, 54838, 57260, 58755, 70506, 73620, 78340, 82257, 85890, 103068, 109676, 117510, 128835, 137095, 141012, 164514, 171780, 176265, 235020, 246771, 257670, 274190, 329028, 352530, 411285, 493542, 515340, 548380, 705060, 822570, 987084, 1233855, 1602053, 1645140, 2467710, 3204106, 4806159, 4935420, 6408212, 8010265, 9612318, 11214371, 14418477, 16020530, 19224636, 22428742, 24030795, 28836954, 32041060, 33643113, 44857484, 48061590, 56071855, 57673908, 67286226, 72092385, 96123180, 100929339, 112143710, 134572452, 144184770, 168215565, 201858678, 224287420, 288369540, 336431130, 403717356, 504646695, 672862260, 1009293390, 2018586780]

約数ペア:

[(1, 2018586780), (2, 1009293390), (3, 672862260), (4, 504646695), (5, 403717356), (6, 336431130), (7, 288369540), (9, 224287420), (10, 201858678), (12, 168215565), (14, 144184770), (15, 134572452), (18, 112143710), (20, 100929339), (21, 96123180), (28, 72092385), (30, 67286226), (35, 57673908), (36, 56071855), (42, 48061590), (45, 44857484), (60, 33643113), (63, 32041060), (70, 28836954), (84, 24030795), (90, 22428742), (105, 19224636), (126, 16020530), (140, 14418477), (180, 11214371), (210, 9612318), (252, 8010265), (315, 6408212), (409, 4935420), (420, 4806159), (630, 3204106), (818, 2467710), (1227, 1645140), (1260, 1602053), (1636, 1233855), (2045, 987084), (2454, 822570), (2863, 705060), (3681, 548380), (3917, 515340), (4090, 493542), (4908, 411285), (5726, 352530), (6135, 329028), (7362, 274190), (7834, 257670), (8180, 246771), (8589, 235020), (11452, 176265), (11751, 171780), (12270, 164514), (14315, 141012), (14724, 137095), (15668, 128835), (17178, 117510), (18405, 109676), (19585, 103068), (23502, 85890), (24540, 82257), (25767, 78340), (27419, 73620), (28630, 70506), (34356, 58755), (35253, 57260), (36810, 54838), (39170, 51534), (42945, 47004)]