320466840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 999198720

約数和(自身を除く): 678731880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 277, 310, 311, 372, 465, 554, 620, 622, 744, 831, 930, 933, 1108, 1240, 1244, 1385, 1555, 1662, 1860, 1866, 2216, 2488, 2770, 3110, 3324, 3720, 3732, 4155, 4665, 5540, 6220, 6648, 7464, 8310, 8587, 9330, 9641, 11080, 12440, 16620, 17174, 18660, 19282, 25761, 28923, 33240, 34348, 37320, 38564, 42935, 48205, 51522, 57846, 68696, 77128, 85870, 86147, 96410, 103044, 115692, 128805, 144615, 171740, 172294, 192820, 206088, 231384, 257610, 258441, 289230, 343480, 344588, 385640, 430735, 515220, 516882, 578460, 689176, 861470, 1030440, 1033764, 1156920, 1292205, 1722940, 2067528, 2584410, 2670557, 3445880, 5168820, 5341114, 8011671, 10337640, 10682228, 13352785, 16023342, 21364456, 26705570, 32046684, 40058355, 53411140, 64093368, 80116710, 106822280, 160233420, 320466840]

約数ペア:

[(1, 320466840), (2, 160233420), (3, 106822280), (4, 80116710), (5, 64093368), (6, 53411140), (8, 40058355), (10, 32046684), (12, 26705570), (15, 21364456), (20, 16023342), (24, 13352785), (30, 10682228), (31, 10337640), (40, 8011671), (60, 5341114), (62, 5168820), (93, 3445880), (120, 2670557), (124, 2584410), (155, 2067528), (186, 1722940), (248, 1292205), (277, 1156920), (310, 1033764), (311, 1030440), (372, 861470), (465, 689176), (554, 578460), (620, 516882), (622, 515220), (744, 430735), (831, 385640), (930, 344588), (933, 343480), (1108, 289230), (1240, 258441), (1244, 257610), (1385, 231384), (1555, 206088), (1662, 192820), (1860, 172294), (1866, 171740), (2216, 144615), (2488, 128805), (2770, 115692), (3110, 103044), (3324, 96410), (3720, 86147), (3732, 85870), (4155, 77128), (4665, 68696), (5540, 57846), (6220, 51522), (6648, 48205), (7464, 42935), (8310, 38564), (8587, 37320), (9330, 34348), (9641, 33240), (11080, 28923), (12440, 25761), (16620, 19282), (17174, 18660)]