638200260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86477}}^1$

素因数の和:86533

約数の個数: 72

約数和(自身を含む): 1983113496

約数和(自身を除く): 1344913236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 86477, 172954, 259431, 345908, 432385, 518862, 778293, 864770, 1037724, 1297155, 1556586, 1729540, 2594310, 3113172, 3545557, 3891465, 5188620, 7091114, 7782930, 10636671, 14182228, 15565860, 17727785, 21273342, 31910013, 35455570, 42546684, 53183355, 63820026, 70911140, 106366710, 127640052, 159550065, 212733420, 319100130, 638200260]

約数ペア:

[(1, 638200260), (2, 319100130), (3, 212733420), (4, 159550065), (5, 127640052), (6, 106366710), (9, 70911140), (10, 63820026), (12, 53183355), (15, 42546684), (18, 35455570), (20, 31910013), (30, 21273342), (36, 17727785), (41, 15565860), (45, 14182228), (60, 10636671), (82, 7782930), (90, 7091114), (123, 5188620), (164, 3891465), (180, 3545557), (205, 3113172), (246, 2594310), (369, 1729540), (410, 1556586), (492, 1297155), (615, 1037724), (738, 864770), (820, 778293), (1230, 518862), (1476, 432385), (1845, 345908), (2460, 259431), (3690, 172954), (7380, 86477)]