19991867760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{1447}}^1$

素因数の和:2116

約数の個数: 240

約数和(自身を含む): 69465077760

約数和(自身を除く): 49473210000

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, 619, 620, 720, 744, 930, 1116, 1238, 1240, 1395, 1447, 1488, 1857, 1860, 2232, 2476, 2480, 2790, 2894, 3095, 3714, 3720, 4341, 4464, 4952, 5571, 5580, 5788, 6190, 7235, 7428, 7440, 8682, 9285, 9904, 11142, 11160, 11576, 12380, 13023, 14470, 14856, 17364, 18570, 19189, 21705, 22284, 22320, 23152, 24760, 26046, 27855, 28940, 29712, 34728, 37140, 38378, 43410, 44568, 44857, 49520, 52092, 55710, 57567, 57880, 65115, 69456, 74280, 76756, 86820, 89136, 89714, 95945, 104184, 111420, 115134, 115760, 130230, 134571, 148560, 153512, 172701, 173640, 179428, 191890, 208368, 222840, 224285, 230268, 260460, 269142, 287835, 307024, 345402, 347280, 358856, 383780, 403713, 445680, 448570, 460536, 520920, 538284, 575670, 672855, 690804, 717712, 767560, 807426, 863505, 895693, 897140, 921072, 1041840, 1076568, 1151340, 1345710, 1381608, 1535120, 1614852, 1727010, 1791386, 1794280, 2018565, 2153136, 2302680, 2687079, 2691420, 2763216, 3229704, 3454020, 3582772, 3588560, 4037130, 4478465, 4605360, 5374158, 5382840, 6459408, 6908040, 7165544, 8061237, 8074260, 8956930, 10748316, 10765680, 13435395, 13816080, 14331088, 16122474, 16148520, 17913860, 21496632, 26870790, 27766483, 32244948, 32297040, 35827720, 40306185, 42993264, 53741580, 55532966, 64489896, 71655440, 80612370, 83299449, 107483160, 111065932, 128979792, 138832415, 161224740, 166598898, 214966320, 222131864, 249898347, 277664830, 322449480, 333197796, 416497245, 444263728, 499796694, 555329660, 644898960, 666395592, 832994490, 999593388, 1110659320, 1249491735, 1332791184, 1665988980, 1999186776, 2221318640, 2498983470, 3331977960, 3998373552, 4997966940, 6663955920, 9995933880, 19991867760]

約数ペア:

[(1, 19991867760), (2, 9995933880), (3, 6663955920), (4, 4997966940), (5, 3998373552), (6, 3331977960), (8, 2498983470), (9, 2221318640), (10, 1999186776), (12, 1665988980), (15, 1332791184), (16, 1249491735), (18, 1110659320), (20, 999593388), (24, 832994490), (30, 666395592), (31, 644898960), (36, 555329660), (40, 499796694), (45, 444263728), (48, 416497245), (60, 333197796), (62, 322449480), (72, 277664830), (80, 249898347), (90, 222131864), (93, 214966320), (120, 166598898), (124, 161224740), (144, 138832415), (155, 128979792), (180, 111065932), (186, 107483160), (240, 83299449), (248, 80612370), (279, 71655440), (310, 64489896), (360, 55532966), (372, 53741580), (465, 42993264), (496, 40306185), (558, 35827720), (619, 32297040), (620, 32244948), (720, 27766483), (744, 26870790), (930, 21496632), (1116, 17913860), (1238, 16148520), (1240, 16122474), (1395, 14331088), (1447, 13816080), (1488, 13435395), (1857, 10765680), (1860, 10748316), (2232, 8956930), (2476, 8074260), (2480, 8061237), (2790, 7165544), (2894, 6908040), (3095, 6459408), (3714, 5382840), (3720, 5374158), (4341, 4605360), (4464, 4478465), (4952, 4037130), (5571, 3588560), (5580, 3582772), (5788, 3454020), (6190, 3229704), (7235, 2763216), (7428, 2691420), (7440, 2687079), (8682, 2302680), (9285, 2153136), (9904, 2018565), (11142, 1794280), (11160, 1791386), (11576, 1727010), (12380, 1614852), (13023, 1535120), (14470, 1381608), (14856, 1345710), (17364, 1151340), (18570, 1076568), (19189, 1041840), (21705, 921072), (22284, 897140), (22320, 895693), (23152, 863505), (24760, 807426), (26046, 767560), (27855, 717712), (28940, 690804), (29712, 672855), (34728, 575670), (37140, 538284), (38378, 520920), (43410, 460536), (44568, 448570), (44857, 445680), (49520, 403713), (52092, 383780), (55710, 358856), (57567, 347280), (57880, 345402), (65115, 307024), (69456, 287835), (74280, 269142), (76756, 260460), (86820, 230268), (89136, 224285), (89714, 222840), (95945, 208368), (104184, 191890), (111420, 179428), (115134, 173640), (115760, 172701), (130230, 153512), (134571, 148560)]