642138840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1284

約数の個数: 320

約数和(自身を含む): 2575964160

約数和(自身を除く): 1933825320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 81, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 162, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 324, 345, 360, 378, 405, 414, 420, 460, 483, 504, 540, 552, 567, 621, 630, 644, 648, 690, 756, 805, 810, 828, 840, 920, 945, 966, 1035, 1080, 1134, 1231, 1242, 1260, 1288, 1380, 1449, 1512, 1610, 1620, 1656, 1863, 1890, 1932, 2070, 2268, 2415, 2462, 2484, 2520, 2760, 2835, 2898, 3105, 3220, 3240, 3693, 3726, 3780, 3864, 4140, 4347, 4536, 4830, 4924, 4968, 5670, 5796, 6155, 6210, 6440, 7245, 7386, 7452, 7560, 8280, 8617, 8694, 9315, 9660, 9848, 11079, 11340, 11592, 12310, 12420, 13041, 14490, 14772, 14904, 17234, 17388, 18465, 18630, 19320, 21735, 22158, 22680, 24620, 24840, 25851, 26082, 28313, 28980, 29544, 33237, 34468, 34776, 36930, 37260, 43085, 43470, 44316, 49240, 51702, 52164, 55395, 56626, 57960, 65205, 66474, 68936, 73860, 74520, 77553, 84939, 86170, 86940, 88632, 99711, 103404, 104328, 110790, 113252, 129255, 130410, 132948, 141565, 147720, 155106, 166185, 169878, 172340, 173880, 198191, 199422, 206808, 221580, 226504, 232659, 254817, 258510, 260820, 265896, 283130, 310212, 332370, 339756, 344680, 387765, 396382, 398844, 424695, 443160, 465318, 498555, 509634, 517020, 521640, 566260, 594573, 620424, 664740, 679512, 697977, 764451, 775530, 792764, 797688, 849390, 930636, 990955, 997110, 1019268, 1034040, 1132520, 1163295, 1189146, 1274085, 1329480, 1395954, 1528902, 1551060, 1585528, 1698780, 1783719, 1861272, 1981910, 1994220, 2038536, 2293353, 2326590, 2378292, 2548170, 2791908, 2972865, 3057804, 3102120, 3397560, 3489885, 3567438, 3822255, 3963820, 3988440, 4586706, 4653180, 4756584, 5096340, 5351157, 5583816, 5945730, 6115608, 6979770, 7134876, 7644510, 7927640, 8918595, 9173412, 9306360, 10192680, 10702314, 11466765, 11891460, 13959540, 14269752, 15289020, 16053471, 17837190, 18346824, 21404628, 22933530, 23782920, 26755785, 27919080, 30578040, 32106942, 35674380, 42809256, 45867060, 53511570, 64213884, 71348760, 80267355, 91734120, 107023140, 128427768, 160534710, 214046280, 321069420, 642138840]

約数ペア:

[(1, 642138840), (2, 321069420), (3, 214046280), (4, 160534710), (5, 128427768), (6, 107023140), (7, 91734120), (8, 80267355), (9, 71348760), (10, 64213884), (12, 53511570), (14, 45867060), (15, 42809256), (18, 35674380), (20, 32106942), (21, 30578040), (23, 27919080), (24, 26755785), (27, 23782920), (28, 22933530), (30, 21404628), (35, 18346824), (36, 17837190), (40, 16053471), (42, 15289020), (45, 14269752), (46, 13959540), (54, 11891460), (56, 11466765), (60, 10702314), (63, 10192680), (69, 9306360), (70, 9173412), (72, 8918595), (81, 7927640), (84, 7644510), (90, 7134876), (92, 6979770), (105, 6115608), (108, 5945730), (115, 5583816), (120, 5351157), (126, 5096340), (135, 4756584), (138, 4653180), (140, 4586706), (161, 3988440), (162, 3963820), (168, 3822255), (180, 3567438), (184, 3489885), (189, 3397560), (207, 3102120), (210, 3057804), (216, 2972865), (230, 2791908), (252, 2548170), (270, 2378292), (276, 2326590), (280, 2293353), (315, 2038536), (322, 1994220), (324, 1981910), (345, 1861272), (360, 1783719), (378, 1698780), (405, 1585528), (414, 1551060), (420, 1528902), (460, 1395954), (483, 1329480), (504, 1274085), (540, 1189146), (552, 1163295), (567, 1132520), (621, 1034040), (630, 1019268), (644, 997110), (648, 990955), (690, 930636), (756, 849390), (805, 797688), (810, 792764), (828, 775530), (840, 764451), (920, 697977), (945, 679512), (966, 664740), (1035, 620424), (1080, 594573), (1134, 566260), (1231, 521640), (1242, 517020), (1260, 509634), (1288, 498555), (1380, 465318), (1449, 443160), (1512, 424695), (1610, 398844), (1620, 396382), (1656, 387765), (1863, 344680), (1890, 339756), (1932, 332370), (2070, 310212), (2268, 283130), (2415, 265896), (2462, 260820), (2484, 258510), (2520, 254817), (2760, 232659), (2835, 226504), (2898, 221580), (3105, 206808), (3220, 199422), (3240, 198191), (3693, 173880), (3726, 172340), (3780, 169878), (3864, 166185), (4140, 155106), (4347, 147720), (4536, 141565), (4830, 132948), (4924, 130410), (4968, 129255), (5670, 113252), (5796, 110790), (6155, 104328), (6210, 103404), (6440, 99711), (7245, 88632), (7386, 86940), (7452, 86170), (7560, 84939), (8280, 77553), (8617, 74520), (8694, 73860), (9315, 68936), (9660, 66474), (9848, 65205), (11079, 57960), (11340, 56626), (11592, 55395), (12310, 52164), (12420, 51702), (13041, 49240), (14490, 44316), (14772, 43470), (14904, 43085), (17234, 37260), (17388, 36930), (18465, 34776), (18630, 34468), (19320, 33237), (21735, 29544), (22158, 28980), (22680, 28313), (24620, 26082), (24840, 25851)]