20469553440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{15661}}^1$

素因数の和:16075

約数の個数: 192

約数和(自身を含む): 73884545280

約数和(自身を除く): 53414991840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 389, 420, 480, 560, 672, 778, 840, 1120, 1167, 1556, 1680, 1945, 2334, 2723, 3112, 3360, 3890, 4668, 5446, 5835, 6224, 7780, 8169, 9336, 10892, 11670, 12448, 13615, 15560, 15661, 16338, 18672, 21784, 23340, 27230, 31120, 31322, 32676, 37344, 40845, 43568, 46680, 46983, 54460, 62240, 62644, 65352, 78305, 81690, 87136, 93360, 93966, 108920, 109627, 125288, 130704, 156610, 163380, 186720, 187932, 217840, 219254, 234915, 250576, 261408, 313220, 326760, 328881, 375864, 435680, 438508, 469830, 501152, 548135, 626440, 653520, 657762, 751728, 877016, 939660, 1096270, 1252880, 1307040, 1315524, 1503456, 1644405, 1754032, 1879320, 2192540, 2505760, 2631048, 3288810, 3508064, 3758640, 4385080, 5262096, 6092129, 6577620, 7517280, 8770160, 10524192, 12184258, 13155240, 17540320, 18276387, 24368516, 26310480, 30460645, 36552774, 42644903, 48737032, 52620960, 60921290, 73105548, 85289806, 91381935, 97474064, 121842580, 127934709, 146211096, 170579612, 182763870, 194948128, 213224515, 243685160, 255869418, 292422192, 341159224, 365527740, 426449030, 487370320, 511738836, 584844384, 639673545, 682318448, 731055480, 852898060, 974740640, 1023477672, 1279347090, 1364636896, 1462110960, 1705796120, 2046955344, 2558694180, 2924221920, 3411592240, 4093910688, 5117388360, 6823184480, 10234776720, 20469553440]

約数ペア:

[(1, 20469553440), (2, 10234776720), (3, 6823184480), (4, 5117388360), (5, 4093910688), (6, 3411592240), (7, 2924221920), (8, 2558694180), (10, 2046955344), (12, 1705796120), (14, 1462110960), (15, 1364636896), (16, 1279347090), (20, 1023477672), (21, 974740640), (24, 852898060), (28, 731055480), (30, 682318448), (32, 639673545), (35, 584844384), (40, 511738836), (42, 487370320), (48, 426449030), (56, 365527740), (60, 341159224), (70, 292422192), (80, 255869418), (84, 243685160), (96, 213224515), (105, 194948128), (112, 182763870), (120, 170579612), (140, 146211096), (160, 127934709), (168, 121842580), (210, 97474064), (224, 91381935), (240, 85289806), (280, 73105548), (336, 60921290), (389, 52620960), (420, 48737032), (480, 42644903), (560, 36552774), (672, 30460645), (778, 26310480), (840, 24368516), (1120, 18276387), (1167, 17540320), (1556, 13155240), (1680, 12184258), (1945, 10524192), (2334, 8770160), (2723, 7517280), (3112, 6577620), (3360, 6092129), (3890, 5262096), (4668, 4385080), (5446, 3758640), (5835, 3508064), (6224, 3288810), (7780, 2631048), (8169, 2505760), (9336, 2192540), (10892, 1879320), (11670, 1754032), (12448, 1644405), (13615, 1503456), (15560, 1315524), (15661, 1307040), (16338, 1252880), (18672, 1096270), (21784, 939660), (23340, 877016), (27230, 751728), (31120, 657762), (31322, 653520), (32676, 626440), (37344, 548135), (40845, 501152), (43568, 469830), (46680, 438508), (46983, 435680), (54460, 375864), (62240, 328881), (62644, 326760), (65352, 313220), (78305, 261408), (81690, 250576), (87136, 234915), (93360, 219254), (93966, 217840), (108920, 187932), (109627, 186720), (125288, 163380), (130704, 156610)]