320413440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 1031206176

約数和(自身を除く): 710792736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 256, 320, 362, 384, 461, 480, 543, 640, 724, 768, 905, 922, 960, 1086, 1280, 1383, 1448, 1810, 1844, 1920, 2172, 2305, 2715, 2766, 2896, 3620, 3688, 3840, 4344, 4610, 5430, 5532, 5792, 6915, 7240, 7376, 8688, 9220, 10860, 11064, 11584, 13830, 14480, 14752, 17376, 18440, 21720, 22128, 23168, 27660, 28960, 29504, 34752, 36880, 43440, 44256, 46336, 55320, 57920, 59008, 69504, 73760, 83441, 86880, 88512, 110640, 115840, 118016, 139008, 147520, 166882, 173760, 177024, 221280, 231680, 250323, 295040, 333764, 347520, 354048, 417205, 442560, 500646, 590080, 667528, 695040, 834410, 885120, 1001292, 1251615, 1335056, 1668820, 1770240, 2002584, 2503230, 2670112, 3337640, 4005168, 5006460, 5340224, 6675280, 8010336, 10012920, 10680448, 13350560, 16020672, 20025840, 21360896, 26701120, 32041344, 40051680, 53402240, 64082688, 80103360, 106804480, 160206720, 320413440]

約数ペア:

[(1, 320413440), (2, 160206720), (3, 106804480), (4, 80103360), (5, 64082688), (6, 53402240), (8, 40051680), (10, 32041344), (12, 26701120), (15, 21360896), (16, 20025840), (20, 16020672), (24, 13350560), (30, 10680448), (32, 10012920), (40, 8010336), (48, 6675280), (60, 5340224), (64, 5006460), (80, 4005168), (96, 3337640), (120, 2670112), (128, 2503230), (160, 2002584), (181, 1770240), (192, 1668820), (240, 1335056), (256, 1251615), (320, 1001292), (362, 885120), (384, 834410), (461, 695040), (480, 667528), (543, 590080), (640, 500646), (724, 442560), (768, 417205), (905, 354048), (922, 347520), (960, 333764), (1086, 295040), (1280, 250323), (1383, 231680), (1448, 221280), (1810, 177024), (1844, 173760), (1920, 166882), (2172, 147520), (2305, 139008), (2715, 118016), (2766, 115840), (2896, 110640), (3620, 88512), (3688, 86880), (3840, 83441), (4344, 73760), (4610, 69504), (5430, 59008), (5532, 57920), (5792, 55320), (6915, 46336), (7240, 44256), (7376, 43440), (8688, 36880), (9220, 34752), (10860, 29504), (11064, 28960), (11584, 27660), (13830, 23168), (14480, 22128), (14752, 21720), (17376, 18440)]