210721680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 779950080

約数和(自身を除く): 569228400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 48, 52, 60, 65, 72, 78, 80, 90, 94, 104, 117, 120, 130, 141, 144, 156, 180, 188, 195, 208, 234, 235, 240, 260, 282, 312, 360, 376, 390, 423, 468, 470, 479, 520, 564, 585, 611, 624, 705, 720, 752, 780, 846, 936, 940, 958, 1040, 1128, 1170, 1222, 1410, 1437, 1560, 1692, 1833, 1872, 1880, 1916, 2115, 2256, 2340, 2395, 2444, 2820, 2874, 3055, 3120, 3384, 3666, 3760, 3832, 4230, 4311, 4680, 4790, 4888, 5499, 5640, 5748, 6110, 6227, 6768, 7185, 7332, 7664, 8460, 8622, 9165, 9360, 9580, 9776, 10998, 11280, 11496, 12220, 12454, 14370, 14664, 16920, 17244, 18330, 18681, 19160, 21555, 21996, 22513, 22992, 24440, 24908, 27495, 28740, 29328, 31135, 33840, 34488, 36660, 37362, 38320, 43110, 43992, 45026, 48880, 49816, 54990, 56043, 57480, 62270, 67539, 68976, 73320, 74724, 86220, 87984, 90052, 93405, 99632, 109980, 112086, 112565, 114960, 124540, 135078, 146640, 149448, 172440, 180104, 186810, 202617, 219960, 224172, 225130, 249080, 270156, 280215, 292669, 298896, 337695, 344880, 360208, 373620, 405234, 439920, 448344, 450260, 498160, 540312, 560430, 585338, 675390, 747240, 810468, 878007, 896688, 900520, 1013085, 1080624, 1120860, 1170676, 1350780, 1463345, 1494480, 1620936, 1756014, 1801040, 2026170, 2241720, 2341352, 2634021, 2701560, 2926690, 3241872, 3512028, 4052340, 4390035, 4483440, 4682704, 5268042, 5403120, 5853380, 7024056, 8104680, 8780070, 10536084, 11706760, 13170105, 14048112, 16209360, 17560140, 21072168, 23413520, 26340210, 35120280, 42144336, 52680420, 70240560, 105360840, 210721680]

約数ペア:

[(1, 210721680), (2, 105360840), (3, 70240560), (4, 52680420), (5, 42144336), (6, 35120280), (8, 26340210), (9, 23413520), (10, 21072168), (12, 17560140), (13, 16209360), (15, 14048112), (16, 13170105), (18, 11706760), (20, 10536084), (24, 8780070), (26, 8104680), (30, 7024056), (36, 5853380), (39, 5403120), (40, 5268042), (45, 4682704), (47, 4483440), (48, 4390035), (52, 4052340), (60, 3512028), (65, 3241872), (72, 2926690), (78, 2701560), (80, 2634021), (90, 2341352), (94, 2241720), (104, 2026170), (117, 1801040), (120, 1756014), (130, 1620936), (141, 1494480), (144, 1463345), (156, 1350780), (180, 1170676), (188, 1120860), (195, 1080624), (208, 1013085), (234, 900520), (235, 896688), (240, 878007), (260, 810468), (282, 747240), (312, 675390), (360, 585338), (376, 560430), (390, 540312), (423, 498160), (468, 450260), (470, 448344), (479, 439920), (520, 405234), (564, 373620), (585, 360208), (611, 344880), (624, 337695), (705, 298896), (720, 292669), (752, 280215), (780, 270156), (846, 249080), (936, 225130), (940, 224172), (958, 219960), (1040, 202617), (1128, 186810), (1170, 180104), (1222, 172440), (1410, 149448), (1437, 146640), (1560, 135078), (1692, 124540), (1833, 114960), (1872, 112565), (1880, 112086), (1916, 109980), (2115, 99632), (2256, 93405), (2340, 90052), (2395, 87984), (2444, 86220), (2820, 74724), (2874, 73320), (3055, 68976), (3120, 67539), (3384, 62270), (3666, 57480), (3760, 56043), (3832, 54990), (4230, 49816), (4311, 48880), (4680, 45026), (4790, 43992), (4888, 43110), (5499, 38320), (5640, 37362), (5748, 36660), (6110, 34488), (6227, 33840), (6768, 31135), (7185, 29328), (7332, 28740), (7664, 27495), (8460, 24908), (8622, 24440), (9165, 22992), (9360, 22513), (9580, 21996), (9776, 21555), (10998, 19160), (11280, 18681), (11496, 18330), (12220, 17244), (12454, 16920), (14370, 14664)]