78452640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 314810496

約数和(自身を除く): 236357856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 112, 120, 126, 129, 140, 144, 160, 168, 172, 180, 181, 210, 215, 224, 240, 252, 258, 280, 288, 301, 315, 336, 344, 360, 362, 387, 420, 430, 480, 504, 516, 543, 560, 602, 630, 645, 672, 688, 720, 724, 774, 840, 860, 903, 905, 1008, 1032, 1086, 1120, 1204, 1260, 1267, 1290, 1376, 1440, 1448, 1505, 1548, 1629, 1680, 1720, 1806, 1810, 1935, 2016, 2064, 2172, 2408, 2520, 2534, 2580, 2709, 2715, 2896, 3010, 3096, 3258, 3360, 3440, 3612, 3620, 3801, 3870, 4128, 4344, 4515, 4816, 5040, 5068, 5160, 5418, 5430, 5792, 6020, 6192, 6335, 6516, 6880, 7224, 7240, 7602, 7740, 7783, 8145, 8688, 9030, 9632, 10080, 10136, 10320, 10836, 10860, 11403, 12040, 12384, 12670, 13032, 13545, 14448, 14480, 15204, 15480, 15566, 16290, 17376, 18060, 19005, 20272, 20640, 21672, 21720, 22806, 23349, 24080, 25340, 26064, 27090, 28896, 28960, 30408, 30960, 31132, 32580, 36120, 38010, 38915, 40544, 43344, 43440, 45612, 46698, 48160, 50680, 52128, 54180, 54481, 57015, 60816, 61920, 62264, 65160, 70047, 72240, 76020, 77830, 86688, 86880, 91224, 93396, 101360, 108360, 108962, 114030, 116745, 121632, 124528, 130320, 140094, 144480, 152040, 155660, 163443, 182448, 186792, 202720, 216720, 217924, 228060, 233490, 249056, 260640, 272405, 280188, 304080, 311320, 326886, 350235, 364896, 373584, 433440, 435848, 456120, 466980, 490329, 544810, 560376, 608160, 622640, 653772, 700470, 747168, 817215, 871696, 912240, 933960, 980658, 1089620, 1120752, 1245280, 1307544, 1400940, 1634430, 1743392, 1824480, 1867920, 1961316, 2179240, 2241504, 2451645, 2615088, 2801880, 3268860, 3735840, 3922632, 4358480, 4903290, 5230176, 5603760, 6537720, 7845264, 8716960, 9806580, 11207520, 13075440, 15690528, 19613160, 26150880, 39226320, 78452640]

約数ペア:

[(1, 78452640), (2, 39226320), (3, 26150880), (4, 19613160), (5, 15690528), (6, 13075440), (7, 11207520), (8, 9806580), (9, 8716960), (10, 7845264), (12, 6537720), (14, 5603760), (15, 5230176), (16, 4903290), (18, 4358480), (20, 3922632), (21, 3735840), (24, 3268860), (28, 2801880), (30, 2615088), (32, 2451645), (35, 2241504), (36, 2179240), (40, 1961316), (42, 1867920), (43, 1824480), (45, 1743392), (48, 1634430), (56, 1400940), (60, 1307544), (63, 1245280), (70, 1120752), (72, 1089620), (80, 980658), (84, 933960), (86, 912240), (90, 871696), (96, 817215), (105, 747168), (112, 700470), (120, 653772), (126, 622640), (129, 608160), (140, 560376), (144, 544810), (160, 490329), (168, 466980), (172, 456120), (180, 435848), (181, 433440), (210, 373584), (215, 364896), (224, 350235), (240, 326886), (252, 311320), (258, 304080), (280, 280188), (288, 272405), (301, 260640), (315, 249056), (336, 233490), (344, 228060), (360, 217924), (362, 216720), (387, 202720), (420, 186792), (430, 182448), (480, 163443), (504, 155660), (516, 152040), (543, 144480), (560, 140094), (602, 130320), (630, 124528), (645, 121632), (672, 116745), (688, 114030), (720, 108962), (724, 108360), (774, 101360), (840, 93396), (860, 91224), (903, 86880), (905, 86688), (1008, 77830), (1032, 76020), (1086, 72240), (1120, 70047), (1204, 65160), (1260, 62264), (1267, 61920), (1290, 60816), (1376, 57015), (1440, 54481), (1448, 54180), (1505, 52128), (1548, 50680), (1629, 48160), (1680, 46698), (1720, 45612), (1806, 43440), (1810, 43344), (1935, 40544), (2016, 38915), (2064, 38010), (2172, 36120), (2408, 32580), (2520, 31132), (2534, 30960), (2580, 30408), (2709, 28960), (2715, 28896), (2896, 27090), (3010, 26064), (3096, 25340), (3258, 24080), (3360, 23349), (3440, 22806), (3612, 21720), (3620, 21672), (3801, 20640), (3870, 20272), (4128, 19005), (4344, 18060), (4515, 17376), (4816, 16290), (5040, 15566), (5068, 15480), (5160, 15204), (5418, 14480), (5430, 14448), (5792, 13545), (6020, 13032), (6192, 12670), (6335, 12384), (6516, 12040), (6880, 11403), (7224, 10860), (7240, 10836), (7602, 10320), (7740, 10136), (7783, 10080), (8145, 9632), (8688, 9030)]