285428220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61781}}^1$

素因数の和:61811

約数の個数: 96

約数和(自身を含む): 996420096

約数和(自身を除く): 710991876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 61781, 123562, 185343, 247124, 308905, 370686, 432467, 617810, 679591, 741372, 864934, 926715, 1235620, 1297401, 1359182, 1729868, 1853430, 2038773, 2162335, 2594802, 2718364, 3397955, 3706860, 4077546, 4324670, 4757137, 5189604, 6487005, 6795910, 8155092, 8649340, 9514274, 10193865, 12974010, 13591820, 14271411, 19028548, 20387730, 23785685, 25948020, 28542822, 40775460, 47571370, 57085644, 71357055, 95142740, 142714110, 285428220]

約数ペア:

[(1, 285428220), (2, 142714110), (3, 95142740), (4, 71357055), (5, 57085644), (6, 47571370), (7, 40775460), (10, 28542822), (11, 25948020), (12, 23785685), (14, 20387730), (15, 19028548), (20, 14271411), (21, 13591820), (22, 12974010), (28, 10193865), (30, 9514274), (33, 8649340), (35, 8155092), (42, 6795910), (44, 6487005), (55, 5189604), (60, 4757137), (66, 4324670), (70, 4077546), (77, 3706860), (84, 3397955), (105, 2718364), (110, 2594802), (132, 2162335), (140, 2038773), (154, 1853430), (165, 1729868), (210, 1359182), (220, 1297401), (231, 1235620), (308, 926715), (330, 864934), (385, 741372), (420, 679591), (462, 617810), (660, 432467), (770, 370686), (924, 308905), (1155, 247124), (1540, 185343), (2310, 123562), (4620, 61781)]