1640782440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138113}}^1$

素因数の和:138144

約数の個数: 128

約数和(自身を含む): 5966524800

約数和(自身を除く): 4325742360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 138113, 276226, 414339, 552452, 690565, 828678, 1104904, 1243017, 1381130, 1519243, 1657356, 2071695, 2486034, 2762260, 3038486, 3314712, 3729051, 4143390, 4557729, 4972068, 5524520, 6076972, 6215085, 7458102, 7596215, 8286780, 9115458, 9944136, 12153944, 12430170, 13673187, 14916204, 15192430, 16573560, 18230916, 18645255, 22788645, 24860340, 27346374, 29832408, 30384860, 36461832, 37290510, 41019561, 45577290, 49720680, 54692748, 60769720, 68365935, 74581020, 82039122, 91154580, 109385496, 136731870, 149162040, 164078244, 182309160, 205097805, 273463740, 328156488, 410195610, 546927480, 820391220, 1640782440]

約数ペア:

[(1, 1640782440), (2, 820391220), (3, 546927480), (4, 410195610), (5, 328156488), (6, 273463740), (8, 205097805), (9, 182309160), (10, 164078244), (11, 149162040), (12, 136731870), (15, 109385496), (18, 91154580), (20, 82039122), (22, 74581020), (24, 68365935), (27, 60769720), (30, 54692748), (33, 49720680), (36, 45577290), (40, 41019561), (44, 37290510), (45, 36461832), (54, 30384860), (55, 29832408), (60, 27346374), (66, 24860340), (72, 22788645), (88, 18645255), (90, 18230916), (99, 16573560), (108, 15192430), (110, 14916204), (120, 13673187), (132, 12430170), (135, 12153944), (165, 9944136), (180, 9115458), (198, 8286780), (216, 7596215), (220, 7458102), (264, 6215085), (270, 6076972), (297, 5524520), (330, 4972068), (360, 4557729), (396, 4143390), (440, 3729051), (495, 3314712), (540, 3038486), (594, 2762260), (660, 2486034), (792, 2071695), (990, 1657356), (1080, 1519243), (1188, 1381130), (1320, 1243017), (1485, 1104904), (1980, 828678), (2376, 690565), (2970, 552452), (3960, 414339), (5940, 276226), (11880, 138113)]