20183663640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{77261}}^1$

素因数の和:77593

約数の個数: 128

約数和(自身を含む): 69424542720

約数和(自身を除く): 49240879080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 311, 420, 622, 840, 933, 1244, 1555, 1866, 2177, 2488, 3110, 3732, 4354, 4665, 6220, 6531, 7464, 8708, 9330, 10885, 12440, 13062, 17416, 18660, 21770, 26124, 32655, 37320, 43540, 52248, 65310, 77261, 87080, 130620, 154522, 231783, 261240, 309044, 386305, 463566, 540827, 618088, 772610, 927132, 1081654, 1158915, 1545220, 1622481, 1854264, 2163308, 2317830, 2704135, 3090440, 3244962, 4326616, 4635660, 5408270, 6489924, 8112405, 9271320, 10816540, 12979848, 16224810, 21633080, 24028171, 32449620, 48056342, 64899240, 72084513, 96112684, 120140855, 144169026, 168197197, 192225368, 240281710, 288338052, 336394394, 360422565, 480563420, 504591591, 576676104, 672788788, 720845130, 840985985, 961126840, 1009183182, 1345577576, 1441690260, 1681971970, 2018366364, 2522957955, 2883380520, 3363943940, 4036732728, 5045915910, 6727887880, 10091831820, 20183663640]

約数ペア:

[(1, 20183663640), (2, 10091831820), (3, 6727887880), (4, 5045915910), (5, 4036732728), (6, 3363943940), (7, 2883380520), (8, 2522957955), (10, 2018366364), (12, 1681971970), (14, 1441690260), (15, 1345577576), (20, 1009183182), (21, 961126840), (24, 840985985), (28, 720845130), (30, 672788788), (35, 576676104), (40, 504591591), (42, 480563420), (56, 360422565), (60, 336394394), (70, 288338052), (84, 240281710), (105, 192225368), (120, 168197197), (140, 144169026), (168, 120140855), (210, 96112684), (280, 72084513), (311, 64899240), (420, 48056342), (622, 32449620), (840, 24028171), (933, 21633080), (1244, 16224810), (1555, 12979848), (1866, 10816540), (2177, 9271320), (2488, 8112405), (3110, 6489924), (3732, 5408270), (4354, 4635660), (4665, 4326616), (6220, 3244962), (6531, 3090440), (7464, 2704135), (8708, 2317830), (9330, 2163308), (10885, 1854264), (12440, 1622481), (13062, 1545220), (17416, 1158915), (18660, 1081654), (21770, 927132), (26124, 772610), (32655, 618088), (37320, 540827), (43540, 463566), (52248, 386305), (65310, 309044), (77261, 261240), (87080, 231783), (130620, 154522)]