19897920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 336

約数和(自身を含む): 83393280

約数和(自身を除く): 63495360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 94, 96, 98, 105, 108, 112, 120, 126, 135, 140, 141, 144, 147, 160, 168, 180, 188, 189, 192, 196, 210, 216, 224, 235, 240, 245, 252, 270, 280, 282, 288, 294, 315, 320, 329, 336, 360, 376, 378, 392, 420, 423, 432, 441, 448, 470, 480, 490, 504, 540, 560, 564, 576, 588, 630, 658, 672, 705, 720, 735, 752, 756, 784, 840, 846, 864, 882, 940, 945, 960, 980, 987, 1008, 1080, 1120, 1128, 1176, 1260, 1269, 1316, 1323, 1344, 1410, 1440, 1470, 1504, 1512, 1568, 1645, 1680, 1692, 1728, 1764, 1880, 1890, 1960, 1974, 2016, 2115, 2160, 2205, 2240, 2256, 2303, 2352, 2520, 2538, 2632, 2646, 2820, 2880, 2940, 2961, 3008, 3024, 3136, 3290, 3360, 3384, 3528, 3760, 3780, 3920, 3948, 4032, 4230, 4320, 4410, 4512, 4606, 4704, 4935, 5040, 5076, 5264, 5292, 5640, 5880, 5922, 6048, 6345, 6580, 6615, 6720, 6768, 6909, 7056, 7520, 7560, 7840, 7896, 8460, 8640, 8820, 8883, 9024, 9212, 9408, 9870, 10080, 10152, 10528, 10584, 11280, 11515, 11760, 11844, 12096, 12690, 13160, 13230, 13536, 13818, 14112, 14805, 15040, 15120, 15680, 15792, 16920, 17640, 17766, 18424, 19740, 20160, 20304, 20727, 21056, 21168, 22560, 23030, 23520, 23688, 25380, 26320, 26460, 27072, 27636, 28224, 29610, 30240, 31584, 33840, 34545, 35280, 35532, 36848, 39480, 40608, 41454, 42336, 44415, 45120, 46060, 47040, 47376, 50760, 52640, 52920, 55272, 59220, 60480, 62181, 63168, 67680, 69090, 70560, 71064, 73696, 78960, 81216, 82908, 84672, 88830, 92120, 94752, 101520, 103635, 105280, 105840, 110544, 118440, 124362, 135360, 138180, 141120, 142128, 147392, 157920, 165816, 177660, 184240, 189504, 203040, 207270, 211680, 221088, 236880, 248724, 276360, 284256, 310905, 315840, 331632, 355320, 368480, 406080, 414540, 423360, 442176, 473760, 497448, 552720, 568512, 621810, 663264, 710640, 736960, 829080, 947520, 994896, 1105440, 1243620, 1326528, 1421280, 1658160, 1989792, 2210880, 2487240, 2842560, 3316320, 3979584, 4974480, 6632640, 9948960, 19897920]

約数ペア:

[(1, 19897920), (2, 9948960), (3, 6632640), (4, 4974480), (5, 3979584), (6, 3316320), (7, 2842560), (8, 2487240), (9, 2210880), (10, 1989792), (12, 1658160), (14, 1421280), (15, 1326528), (16, 1243620), (18, 1105440), (20, 994896), (21, 947520), (24, 829080), (27, 736960), (28, 710640), (30, 663264), (32, 621810), (35, 568512), (36, 552720), (40, 497448), (42, 473760), (45, 442176), (47, 423360), (48, 414540), (49, 406080), (54, 368480), (56, 355320), (60, 331632), (63, 315840), (64, 310905), (70, 284256), (72, 276360), (80, 248724), (84, 236880), (90, 221088), (94, 211680), (96, 207270), (98, 203040), (105, 189504), (108, 184240), (112, 177660), (120, 165816), (126, 157920), (135, 147392), (140, 142128), (141, 141120), (144, 138180), (147, 135360), (160, 124362), (168, 118440), (180, 110544), (188, 105840), (189, 105280), (192, 103635), (196, 101520), (210, 94752), (216, 92120), (224, 88830), (235, 84672), (240, 82908), (245, 81216), (252, 78960), (270, 73696), (280, 71064), (282, 70560), (288, 69090), (294, 67680), (315, 63168), (320, 62181), (329, 60480), (336, 59220), (360, 55272), (376, 52920), (378, 52640), (392, 50760), (420, 47376), (423, 47040), (432, 46060), (441, 45120), (448, 44415), (470, 42336), (480, 41454), (490, 40608), (504, 39480), (540, 36848), (560, 35532), (564, 35280), (576, 34545), (588, 33840), (630, 31584), (658, 30240), (672, 29610), (705, 28224), (720, 27636), (735, 27072), (752, 26460), (756, 26320), (784, 25380), (840, 23688), (846, 23520), (864, 23030), (882, 22560), (940, 21168), (945, 21056), (960, 20727), (980, 20304), (987, 20160), (1008, 19740), (1080, 18424), (1120, 17766), (1128, 17640), (1176, 16920), (1260, 15792), (1269, 15680), (1316, 15120), (1323, 15040), (1344, 14805), (1410, 14112), (1440, 13818), (1470, 13536), (1504, 13230), (1512, 13160), (1568, 12690), (1645, 12096), (1680, 11844), (1692, 11760), (1728, 11515), (1764, 11280), (1880, 10584), (1890, 10528), (1960, 10152), (1974, 10080), (2016, 9870), (2115, 9408), (2160, 9212), (2205, 9024), (2240, 8883), (2256, 8820), (2303, 8640), (2352, 8460), (2520, 7896), (2538, 7840), (2632, 7560), (2646, 7520), (2820, 7056), (2880, 6909), (2940, 6768), (2961, 6720), (3008, 6615), (3024, 6580), (3136, 6345), (3290, 6048), (3360, 5922), (3384, 5880), (3528, 5640), (3760, 5292), (3780, 5264), (3920, 5076), (3948, 5040), (4032, 4935), (4230, 4704), (4320, 4606), (4410, 4512)]