1227831880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{90017}}^1$

素因数の和:90070

約数の個数: 64

約数和(自身を含む): 3111022080

約数和(自身を除く): 1883190200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 90017, 180034, 360068, 450085, 720136, 900170, 990187, 1800340, 1980374, 2790527, 3600680, 3960748, 4950935, 5581054, 7921496, 9901870, 11162108, 13952635, 19803740, 22324216, 27905270, 30695797, 39607480, 55810540, 61391594, 111621080, 122783188, 153478985, 245566376, 306957970, 613915940, 1227831880]

約数ペア:

[(1, 1227831880), (2, 613915940), (4, 306957970), (5, 245566376), (8, 153478985), (10, 122783188), (11, 111621080), (20, 61391594), (22, 55810540), (31, 39607480), (40, 30695797), (44, 27905270), (55, 22324216), (62, 19803740), (88, 13952635), (110, 11162108), (124, 9901870), (155, 7921496), (220, 5581054), (248, 4950935), (310, 3960748), (341, 3600680), (440, 2790527), (620, 1980374), (682, 1800340), (1240, 990187), (1364, 900170), (1705, 720136), (2728, 450085), (3410, 360068), (6820, 180034), (13640, 90017)]