620555520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 288

約数和(自身を含む): 2208697344

約数和(自身を除く): 1588141824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 401, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 768, 780, 802, 806, 832, 930, 960, 992, 1040, 1203, 1209, 1240, 1248, 1280, 1488, 1560, 1604, 1612, 1664, 1860, 1920, 1984, 2005, 2015, 2080, 2406, 2418, 2480, 2496, 2976, 3120, 3208, 3224, 3328, 3720, 3840, 3968, 4010, 4030, 4160, 4812, 4836, 4960, 4992, 5213, 5952, 6015, 6045, 6240, 6416, 6448, 7440, 7936, 8020, 8060, 8320, 9624, 9672, 9920, 9984, 10426, 11904, 12030, 12090, 12431, 12480, 12832, 12896, 14880, 15639, 16040, 16120, 16640, 19248, 19344, 19840, 20852, 23808, 24060, 24180, 24862, 24960, 25664, 25792, 26065, 29760, 31278, 32080, 32240, 37293, 38496, 38688, 39680, 41704, 48120, 48360, 49724, 49920, 51328, 51584, 52130, 59520, 62155, 62556, 64160, 64480, 74586, 76992, 77376, 78195, 83408, 96240, 96720, 99448, 102656, 103168, 104260, 119040, 124310, 125112, 128320, 128960, 149172, 153984, 154752, 156390, 161603, 166816, 186465, 192480, 193440, 198896, 208520, 248620, 250224, 256640, 257920, 298344, 307968, 309504, 312780, 323206, 333632, 372930, 384960, 386880, 397792, 417040, 484809, 497240, 500448, 513280, 515840, 596688, 625560, 646412, 667264, 745860, 769920, 773760, 795584, 808015, 834080, 969618, 994480, 1000896, 1193376, 1251120, 1292824, 1334528, 1491720, 1539840, 1547520, 1591168, 1616030, 1668160, 1939236, 1988960, 2001792, 2386752, 2424045, 2502240, 2585648, 2983440, 3182336, 3232060, 3336320, 3878472, 3977920, 4003584, 4773504, 4848090, 5004480, 5171296, 5966880, 6464120, 6672640, 7756944, 7955840, 9547008, 9696180, 10008960, 10342592, 11933760, 12928240, 15513888, 15911680, 19392360, 20017920, 20685184, 23867520, 25856480, 31027776, 38784720, 41370368, 47735040, 51712960, 62055552, 77569440, 103425920, 124111104, 155138880, 206851840, 310277760, 620555520]

約数ペア:

[(1, 620555520), (2, 310277760), (3, 206851840), (4, 155138880), (5, 124111104), (6, 103425920), (8, 77569440), (10, 62055552), (12, 51712960), (13, 47735040), (15, 41370368), (16, 38784720), (20, 31027776), (24, 25856480), (26, 23867520), (30, 20685184), (31, 20017920), (32, 19392360), (39, 15911680), (40, 15513888), (48, 12928240), (52, 11933760), (60, 10342592), (62, 10008960), (64, 9696180), (65, 9547008), (78, 7955840), (80, 7756944), (93, 6672640), (96, 6464120), (104, 5966880), (120, 5171296), (124, 5004480), (128, 4848090), (130, 4773504), (155, 4003584), (156, 3977920), (160, 3878472), (186, 3336320), (192, 3232060), (195, 3182336), (208, 2983440), (240, 2585648), (248, 2502240), (256, 2424045), (260, 2386752), (310, 2001792), (312, 1988960), (320, 1939236), (372, 1668160), (384, 1616030), (390, 1591168), (401, 1547520), (403, 1539840), (416, 1491720), (465, 1334528), (480, 1292824), (496, 1251120), (520, 1193376), (620, 1000896), (624, 994480), (640, 969618), (744, 834080), (768, 808015), (780, 795584), (802, 773760), (806, 769920), (832, 745860), (930, 667264), (960, 646412), (992, 625560), (1040, 596688), (1203, 515840), (1209, 513280), (1240, 500448), (1248, 497240), (1280, 484809), (1488, 417040), (1560, 397792), (1604, 386880), (1612, 384960), (1664, 372930), (1860, 333632), (1920, 323206), (1984, 312780), (2005, 309504), (2015, 307968), (2080, 298344), (2406, 257920), (2418, 256640), (2480, 250224), (2496, 248620), (2976, 208520), (3120, 198896), (3208, 193440), (3224, 192480), (3328, 186465), (3720, 166816), (3840, 161603), (3968, 156390), (4010, 154752), (4030, 153984), (4160, 149172), (4812, 128960), (4836, 128320), (4960, 125112), (4992, 124310), (5213, 119040), (5952, 104260), (6015, 103168), (6045, 102656), (6240, 99448), (6416, 96720), (6448, 96240), (7440, 83408), (7936, 78195), (8020, 77376), (8060, 76992), (8320, 74586), (9624, 64480), (9672, 64160), (9920, 62556), (9984, 62155), (10426, 59520), (11904, 52130), (12030, 51584), (12090, 51328), (12431, 49920), (12480, 49724), (12832, 48360), (12896, 48120), (14880, 41704), (15639, 39680), (16040, 38688), (16120, 38496), (16640, 37293), (19248, 32240), (19344, 32080), (19840, 31278), (20852, 29760), (23808, 26065), (24060, 25792), (24180, 25664), (24862, 24960)]