21661316640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{254959}}^1$

素因数の和:255039

約数の個数: 144

約数和(自身を含む): 75172406400

約数和(自身を除く): 53511089760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 16992, 21240, 28320, 42480, 84960, 254959, 509918, 764877, 1019836, 1274795, 1529754, 2039672, 2294631, 2549590, 3059508, 3824385, 4079344, 4589262, 5099180, 6119016, 7648770, 8158688, 9178524, 10198360, 11473155, 12238032, 15042581, 15297540, 18357048, 20396720, 22946310, 24476064, 30085162, 30595080, 36714096, 40793440, 45127743, 45892620, 60170324, 61190160, 73428192, 75212905, 90255486, 91785240, 120340648, 122380320, 135383229, 150425810, 180510972, 183570480, 225638715, 240681296, 270766458, 300851620, 361021944, 367140960, 451277430, 481362592, 541532916, 601703240, 676916145, 722043888, 902554860, 1083065832, 1203406480, 1353832290, 1444087776, 1805109720, 2166131664, 2406812960, 2707664580, 3610219440, 4332263328, 5415329160, 7220438880, 10830658320, 21661316640]

約数ペア:

[(1, 21661316640), (2, 10830658320), (3, 7220438880), (4, 5415329160), (5, 4332263328), (6, 3610219440), (8, 2707664580), (9, 2406812960), (10, 2166131664), (12, 1805109720), (15, 1444087776), (16, 1353832290), (18, 1203406480), (20, 1083065832), (24, 902554860), (30, 722043888), (32, 676916145), (36, 601703240), (40, 541532916), (45, 481362592), (48, 451277430), (59, 367140960), (60, 361021944), (72, 300851620), (80, 270766458), (90, 240681296), (96, 225638715), (118, 183570480), (120, 180510972), (144, 150425810), (160, 135383229), (177, 122380320), (180, 120340648), (236, 91785240), (240, 90255486), (288, 75212905), (295, 73428192), (354, 61190160), (360, 60170324), (472, 45892620), (480, 45127743), (531, 40793440), (590, 36714096), (708, 30595080), (720, 30085162), (885, 24476064), (944, 22946310), (1062, 20396720), (1180, 18357048), (1416, 15297540), (1440, 15042581), (1770, 12238032), (1888, 11473155), (2124, 10198360), (2360, 9178524), (2655, 8158688), (2832, 7648770), (3540, 6119016), (4248, 5099180), (4720, 4589262), (5310, 4079344), (5664, 3824385), (7080, 3059508), (8496, 2549590), (9440, 2294631), (10620, 2039672), (14160, 1529754), (16992, 1274795), (21240, 1019836), (28320, 764877), (42480, 509918), (84960, 254959)]