31998120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3463}}^1$

素因数の和:3495

約数の個数: 128

約数和(自身を含む): 119715840

約数和(自身を除く): 87717720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3463, 4620, 6926, 9240, 10389, 13852, 17315, 20778, 24241, 27704, 34630, 38093, 41556, 48482, 51945, 69260, 72723, 76186, 83112, 96964, 103890, 114279, 121205, 138520, 145446, 152372, 190465, 193928, 207780, 228558, 242410, 266651, 290892, 304744, 363615, 380930, 415560, 457116, 484820, 533302, 571395, 581784, 727230, 761860, 799953, 914232, 969640, 1066604, 1142790, 1333255, 1454460, 1523720, 1599906, 2133208, 2285580, 2666510, 2908920, 3199812, 3999765, 4571160, 5333020, 6399624, 7999530, 10666040, 15999060, 31998120]

約数ペア:

[(1, 31998120), (2, 15999060), (3, 10666040), (4, 7999530), (5, 6399624), (6, 5333020), (7, 4571160), (8, 3999765), (10, 3199812), (11, 2908920), (12, 2666510), (14, 2285580), (15, 2133208), (20, 1599906), (21, 1523720), (22, 1454460), (24, 1333255), (28, 1142790), (30, 1066604), (33, 969640), (35, 914232), (40, 799953), (42, 761860), (44, 727230), (55, 581784), (56, 571395), (60, 533302), (66, 484820), (70, 457116), (77, 415560), (84, 380930), (88, 363615), (105, 304744), (110, 290892), (120, 266651), (132, 242410), (140, 228558), (154, 207780), (165, 193928), (168, 190465), (210, 152372), (220, 145446), (231, 138520), (264, 121205), (280, 114279), (308, 103890), (330, 96964), (385, 83112), (420, 76186), (440, 72723), (462, 69260), (616, 51945), (660, 48482), (770, 41556), (840, 38093), (924, 34630), (1155, 27704), (1320, 24241), (1540, 20778), (1848, 17315), (2310, 13852), (3080, 10389), (3463, 9240), (4620, 6926)]