31004820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 144

約数和(自身を含む): 117307008

約数和(自身を除く): 86302188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2237, 2310, 2772, 3465, 4474, 4620, 6711, 6930, 8948, 11185, 13422, 13860, 15659, 20133, 22370, 24607, 26844, 31318, 33555, 40266, 44740, 46977, 49214, 62636, 67110, 73821, 78295, 80532, 93954, 98428, 100665, 123035, 134220, 140931, 147642, 156590, 172249, 187908, 201330, 221463, 234885, 246070, 281862, 295284, 313180, 344498, 369105, 402660, 442926, 469770, 492140, 516747, 563724, 688996, 704655, 738210, 861245, 885852, 939540, 1033494, 1107315, 1409310, 1476420, 1550241, 1722490, 2066988, 2214630, 2583735, 2818620, 3100482, 3444980, 4429260, 5167470, 6200964, 7751205, 10334940, 15502410, 31004820]

約数ペア:

[(1, 31004820), (2, 15502410), (3, 10334940), (4, 7751205), (5, 6200964), (6, 5167470), (7, 4429260), (9, 3444980), (10, 3100482), (11, 2818620), (12, 2583735), (14, 2214630), (15, 2066988), (18, 1722490), (20, 1550241), (21, 1476420), (22, 1409310), (28, 1107315), (30, 1033494), (33, 939540), (35, 885852), (36, 861245), (42, 738210), (44, 704655), (45, 688996), (55, 563724), (60, 516747), (63, 492140), (66, 469770), (70, 442926), (77, 402660), (84, 369105), (90, 344498), (99, 313180), (105, 295284), (110, 281862), (126, 246070), (132, 234885), (140, 221463), (154, 201330), (165, 187908), (180, 172249), (198, 156590), (210, 147642), (220, 140931), (231, 134220), (252, 123035), (308, 100665), (315, 98428), (330, 93954), (385, 80532), (396, 78295), (420, 73821), (462, 67110), (495, 62636), (630, 49214), (660, 46977), (693, 44740), (770, 40266), (924, 33555), (990, 31318), (1155, 26844), (1260, 24607), (1386, 22370), (1540, 20133), (1980, 15659), (2237, 13860), (2310, 13422), (2772, 11185), (3465, 8948), (4474, 6930), (4620, 6711)]