890242560

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{38639}}^1$

素因数の和:38668

約数の個数: 120

約数和(自身を含む): 3083240160

約数和(自身を除く): 2192997600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 38639, 77278, 115917, 154556, 193195, 231834, 309112, 347751, 386390, 463668, 579585, 618224, 695502, 772780, 927336, 1159170, 1236448, 1391004, 1545560, 1738755, 1854672, 2318340, 2472896, 2782008, 3091120, 3477510, 3709344, 4636680, 4945792, 5564016, 6182240, 6955020, 7418688, 9273360, 9891584, 11128032, 12364480, 13910040, 14837376, 18546720, 19783168, 22256064, 24728960, 27820080, 29674752, 37093440, 44512128, 49457920, 55640160, 59349504, 74186880, 89024256, 98915840, 111280320, 148373760, 178048512, 222560640, 296747520, 445121280, 890242560]

約数ペア:

[(1, 890242560), (2, 445121280), (3, 296747520), (4, 222560640), (5, 178048512), (6, 148373760), (8, 111280320), (9, 98915840), (10, 89024256), (12, 74186880), (15, 59349504), (16, 55640160), (18, 49457920), (20, 44512128), (24, 37093440), (30, 29674752), (32, 27820080), (36, 24728960), (40, 22256064), (45, 19783168), (48, 18546720), (60, 14837376), (64, 13910040), (72, 12364480), (80, 11128032), (90, 9891584), (96, 9273360), (120, 7418688), (128, 6955020), (144, 6182240), (160, 5564016), (180, 4945792), (192, 4636680), (240, 3709344), (256, 3477510), (288, 3091120), (320, 2782008), (360, 2472896), (384, 2318340), (480, 1854672), (512, 1738755), (576, 1545560), (640, 1391004), (720, 1236448), (768, 1159170), (960, 927336), (1152, 772780), (1280, 695502), (1440, 618224), (1536, 579585), (1920, 463668), (2304, 386390), (2560, 347751), (2880, 309112), (3840, 231834), (4608, 193195), (5760, 154556), (7680, 115917), (11520, 77278), (23040, 38639)]