318494880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20107}}^1$

素因数の和:20139

約数の個数: 144

約数和(自身を含む): 1185728544

約数和(自身を除く): 867233664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 20107, 40214, 60321, 80428, 100535, 120642, 160856, 180963, 201070, 221177, 241284, 301605, 321712, 361926, 402140, 442354, 482568, 603210, 643424, 663531, 723852, 804280, 884708, 904815, 965136, 1105885, 1206420, 1327062, 1447704, 1608560, 1769416, 1809630, 1930272, 1990593, 2211770, 2412840, 2654124, 2895408, 3217120, 3317655, 3538832, 3619260, 3981186, 4423540, 4825680, 5308248, 5790816, 6635310, 7077664, 7238520, 7962372, 8847080, 9651360, 9952965, 10616496, 13270620, 14477040, 15924744, 17694160, 19905930, 21232992, 26541240, 28954080, 31849488, 35388320, 39811860, 53082480, 63698976, 79623720, 106164960, 159247440, 318494880]

約数ペア:

[(1, 318494880), (2, 159247440), (3, 106164960), (4, 79623720), (5, 63698976), (6, 53082480), (8, 39811860), (9, 35388320), (10, 31849488), (11, 28954080), (12, 26541240), (15, 21232992), (16, 19905930), (18, 17694160), (20, 15924744), (22, 14477040), (24, 13270620), (30, 10616496), (32, 9952965), (33, 9651360), (36, 8847080), (40, 7962372), (44, 7238520), (45, 7077664), (48, 6635310), (55, 5790816), (60, 5308248), (66, 4825680), (72, 4423540), (80, 3981186), (88, 3619260), (90, 3538832), (96, 3317655), (99, 3217120), (110, 2895408), (120, 2654124), (132, 2412840), (144, 2211770), (160, 1990593), (165, 1930272), (176, 1809630), (180, 1769416), (198, 1608560), (220, 1447704), (240, 1327062), (264, 1206420), (288, 1105885), (330, 965136), (352, 904815), (360, 884708), (396, 804280), (440, 723852), (480, 663531), (495, 643424), (528, 603210), (660, 482568), (720, 442354), (792, 402140), (880, 361926), (990, 321712), (1056, 301605), (1320, 241284), (1440, 221177), (1584, 201070), (1760, 180963), (1980, 160856), (2640, 120642), (3168, 100535), (3960, 80428), (5280, 60321), (7920, 40214), (15840, 20107)]