1212400080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54319}}^1$

素因数の和:54369

約数の個数: 120

約数和(自身を含む): 4203064320

約数和(自身を除く): 2990664240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 54319, 108638, 162957, 217276, 271595, 325914, 434552, 488871, 543190, 651828, 814785, 869104, 977742, 1086380, 1303656, 1629570, 1683889, 1955484, 2172760, 2444355, 2607312, 3259140, 3367778, 3910968, 4345520, 4888710, 5051667, 6518280, 6735556, 7821936, 8419445, 9777420, 10103334, 13036560, 13471112, 15155001, 16838890, 19554840, 20206668, 25258335, 26942224, 30310002, 33677780, 39109680, 40413336, 50516670, 60620004, 67355560, 75775005, 80826672, 101033340, 121240008, 134711120, 151550010, 202066680, 242480016, 303100020, 404133360, 606200040, 1212400080]

約数ペア:

[(1, 1212400080), (2, 606200040), (3, 404133360), (4, 303100020), (5, 242480016), (6, 202066680), (8, 151550010), (9, 134711120), (10, 121240008), (12, 101033340), (15, 80826672), (16, 75775005), (18, 67355560), (20, 60620004), (24, 50516670), (30, 40413336), (31, 39109680), (36, 33677780), (40, 30310002), (45, 26942224), (48, 25258335), (60, 20206668), (62, 19554840), (72, 16838890), (80, 15155001), (90, 13471112), (93, 13036560), (120, 10103334), (124, 9777420), (144, 8419445), (155, 7821936), (180, 6735556), (186, 6518280), (240, 5051667), (248, 4888710), (279, 4345520), (310, 3910968), (360, 3367778), (372, 3259140), (465, 2607312), (496, 2444355), (558, 2172760), (620, 1955484), (720, 1683889), (744, 1629570), (930, 1303656), (1116, 1086380), (1240, 977742), (1395, 869104), (1488, 814785), (1860, 651828), (2232, 543190), (2480, 488871), (2790, 434552), (3720, 325914), (4464, 271595), (5580, 217276), (7440, 162957), (11160, 108638), (22320, 54319)]