399468960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25219}}^1$

素因数の和:25251

約数の個数: 144

約数和(自身を含む): 1487172960

約数和(自身を除く): 1087704000

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, 25219, 50438, 75657, 100876, 126095, 151314, 201752, 226971, 252190, 277409, 302628, 378285, 403504, 453942, 504380, 554818, 605256, 756570, 807008, 832227, 907884, 1008760, 1109636, 1134855, 1210512, 1387045, 1513140, 1664454, 1815768, 2017520, 2219272, 2269710, 2421024, 2496681, 2774090, 3026280, 3328908, 3631536, 4035040, 4161135, 4438544, 4539420, 4993362, 5548180, 6052560, 6657816, 7263072, 8322270, 8877088, 9078840, 9986724, 11096360, 12105120, 12483405, 13315632, 16644540, 18157680, 19973448, 22192720, 24966810, 26631264, 33289080, 36315360, 39946896, 44385440, 49933620, 66578160, 79893792, 99867240, 133156320, 199734480, 399468960]

約数ペア:

[(1, 399468960), (2, 199734480), (3, 133156320), (4, 99867240), (5, 79893792), (6, 66578160), (8, 49933620), (9, 44385440), (10, 39946896), (11, 36315360), (12, 33289080), (15, 26631264), (16, 24966810), (18, 22192720), (20, 19973448), (22, 18157680), (24, 16644540), (30, 13315632), (32, 12483405), (33, 12105120), (36, 11096360), (40, 9986724), (44, 9078840), (45, 8877088), (48, 8322270), (55, 7263072), (60, 6657816), (66, 6052560), (72, 5548180), (80, 4993362), (88, 4539420), (90, 4438544), (96, 4161135), (99, 4035040), (110, 3631536), (120, 3328908), (132, 3026280), (144, 2774090), (160, 2496681), (165, 2421024), (176, 2269710), (180, 2219272), (198, 2017520), (220, 1815768), (240, 1664454), (264, 1513140), (288, 1387045), (330, 1210512), (352, 1134855), (360, 1109636), (396, 1008760), (440, 907884), (480, 832227), (495, 807008), (528, 756570), (660, 605256), (720, 554818), (792, 504380), (880, 453942), (990, 403504), (1056, 378285), (1320, 302628), (1440, 277409), (1584, 252190), (1760, 226971), (1980, 201752), (2640, 151314), (3168, 126095), (3960, 100876), (5280, 75657), (7920, 50438), (15840, 25219)]