31484880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6247}}^1$

素因数の和:6273

約数の個数: 120

約数和(自身を含む): 120861312

約数和(自身を除く): 89376432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6247, 12494, 18741, 24988, 31235, 37482, 43729, 49976, 56223, 62470, 74964, 87458, 93705, 99952, 112446, 124940, 131187, 149928, 174916, 187410, 218645, 224892, 249880, 262374, 281115, 299856, 349832, 374820, 393561, 437290, 449784, 499760, 524748, 562230, 655935, 699664, 749640, 787122, 874580, 899568, 1049496, 1124460, 1311870, 1499280, 1574244, 1749160, 1967805, 2098992, 2248920, 2623740, 3148488, 3498320, 3935610, 4497840, 5247480, 6296976, 7871220, 10494960, 15742440, 31484880]

約数ペア:

[(1, 31484880), (2, 15742440), (3, 10494960), (4, 7871220), (5, 6296976), (6, 5247480), (7, 4497840), (8, 3935610), (9, 3498320), (10, 3148488), (12, 2623740), (14, 2248920), (15, 2098992), (16, 1967805), (18, 1749160), (20, 1574244), (21, 1499280), (24, 1311870), (28, 1124460), (30, 1049496), (35, 899568), (36, 874580), (40, 787122), (42, 749640), (45, 699664), (48, 655935), (56, 562230), (60, 524748), (63, 499760), (70, 449784), (72, 437290), (80, 393561), (84, 374820), (90, 349832), (105, 299856), (112, 281115), (120, 262374), (126, 249880), (140, 224892), (144, 218645), (168, 187410), (180, 174916), (210, 149928), (240, 131187), (252, 124940), (280, 112446), (315, 99952), (336, 93705), (360, 87458), (420, 74964), (504, 62470), (560, 56223), (630, 49976), (720, 43729), (840, 37482), (1008, 31235), (1260, 24988), (1680, 18741), (2520, 12494), (5040, 6247)]