20531676960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153313}}^1$

素因数の和:153368

約数の個数: 192

約数和(自身を含む): 74179445760

約数和(自身を除く): 53647768800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 6696, 7440, 8370, 8928, 11160, 13392, 14880, 16740, 22320, 26784, 33480, 44640, 66960, 133920, 153313, 306626, 459939, 613252, 766565, 919878, 1226504, 1379817, 1533130, 1839756, 2299695, 2453008, 2759634, 3066260, 3679512, 4139451, 4599390, 4752703, 4906016, 5519268, 6132520, 6899085, 7359024, 8278902, 9198780, 9505406, 11038536, 12265040, 13798170, 14258109, 14718048, 16557804, 18397560, 19010812, 20697255, 22077072, 23763515, 24530080, 27596340, 28516218, 33115608, 36795120, 38021624, 41394510, 42774327, 44154144, 47527030, 55192680, 57032436, 66231216, 71290545, 73590240, 76043248, 82789020, 85548654, 95054060, 110385360, 114064872, 128322981, 132462432, 142581090, 152086496, 165578040, 171097308, 190108120, 213871635, 220770720, 228129744, 256645962, 285162180, 331156080, 342194616, 380216240, 427743270, 456259488, 513291924, 570324360, 641614905, 662312160, 684389232, 760432480, 855486540, 1026583848, 1140648720, 1283229810, 1368778464, 1710973080, 2053167696, 2281297440, 2566459620, 3421946160, 4106335392, 5132919240, 6843892320, 10265838480, 20531676960]

約数ペア:

[(1, 20531676960), (2, 10265838480), (3, 6843892320), (4, 5132919240), (5, 4106335392), (6, 3421946160), (8, 2566459620), (9, 2281297440), (10, 2053167696), (12, 1710973080), (15, 1368778464), (16, 1283229810), (18, 1140648720), (20, 1026583848), (24, 855486540), (27, 760432480), (30, 684389232), (31, 662312160), (32, 641614905), (36, 570324360), (40, 513291924), (45, 456259488), (48, 427743270), (54, 380216240), (60, 342194616), (62, 331156080), (72, 285162180), (80, 256645962), (90, 228129744), (93, 220770720), (96, 213871635), (108, 190108120), (120, 171097308), (124, 165578040), (135, 152086496), (144, 142581090), (155, 132462432), (160, 128322981), (180, 114064872), (186, 110385360), (216, 95054060), (240, 85548654), (248, 82789020), (270, 76043248), (279, 73590240), (288, 71290545), (310, 66231216), (360, 57032436), (372, 55192680), (432, 47527030), (465, 44154144), (480, 42774327), (496, 41394510), (540, 38021624), (558, 36795120), (620, 33115608), (720, 28516218), (744, 27596340), (837, 24530080), (864, 23763515), (930, 22077072), (992, 20697255), (1080, 19010812), (1116, 18397560), (1240, 16557804), (1395, 14718048), (1440, 14258109), (1488, 13798170), (1674, 12265040), (1860, 11038536), (2160, 9505406), (2232, 9198780), (2480, 8278902), (2790, 7359024), (2976, 6899085), (3348, 6132520), (3720, 5519268), (4185, 4906016), (4320, 4752703), (4464, 4599390), (4960, 4139451), (5580, 3679512), (6696, 3066260), (7440, 2759634), (8370, 2453008), (8928, 2299695), (11160, 1839756), (13392, 1533130), (14880, 1379817), (16740, 1226504), (22320, 919878), (26784, 766565), (33480, 613252), (44640, 459939), (66960, 306626), (133920, 153313)]