78311520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:502

約数の個数: 288

約数和(自身を含む): 324088128

約数和(自身を除く): 245776608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 457, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 914, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1360, 1371, 1428, 1440, 1530, 1632, 1680, 1785, 1828, 1904, 2016, 2040, 2142, 2285, 2380, 2448, 2520, 2720, 2742, 2856, 3060, 3199, 3360, 3570, 3656, 3808, 4080, 4113, 4284, 4570, 4760, 4896, 5040, 5355, 5484, 5712, 6120, 6398, 6855, 7140, 7312, 7769, 8160, 8226, 8568, 9140, 9520, 9597, 10080, 10710, 10968, 11424, 12240, 12796, 13710, 14280, 14624, 15538, 15995, 16452, 17136, 18280, 19040, 19194, 20565, 21420, 21936, 23307, 24480, 25592, 27420, 28560, 28791, 31076, 31990, 32904, 34272, 36560, 38388, 38845, 41130, 42840, 43872, 46614, 47985, 51184, 54383, 54840, 57120, 57582, 62152, 63980, 65808, 69921, 73120, 76776, 77690, 82260, 85680, 93228, 95970, 102368, 108766, 109680, 115164, 116535, 124304, 127960, 131616, 139842, 143955, 153552, 155380, 163149, 164520, 171360, 186456, 191940, 217532, 219360, 230328, 233070, 248608, 255920, 271915, 279684, 287910, 307104, 310760, 326298, 329040, 349605, 372912, 383880, 435064, 460656, 466140, 489447, 511840, 543830, 559368, 575820, 621520, 652596, 658080, 699210, 745824, 767760, 815745, 870128, 921312, 932280, 978894, 1087660, 1118736, 1151640, 1243040, 1305192, 1398420, 1535520, 1631490, 1740256, 1864560, 1957788, 2175320, 2237472, 2303280, 2447235, 2610384, 2796840, 3262980, 3729120, 3915576, 4350640, 4606560, 4894470, 5220768, 5593680, 6525960, 7831152, 8701280, 9788940, 11187360, 13051920, 15662304, 19577880, 26103840, 39155760, 78311520]

約数ペア:

[(1, 78311520), (2, 39155760), (3, 26103840), (4, 19577880), (5, 15662304), (6, 13051920), (7, 11187360), (8, 9788940), (9, 8701280), (10, 7831152), (12, 6525960), (14, 5593680), (15, 5220768), (16, 4894470), (17, 4606560), (18, 4350640), (20, 3915576), (21, 3729120), (24, 3262980), (28, 2796840), (30, 2610384), (32, 2447235), (34, 2303280), (35, 2237472), (36, 2175320), (40, 1957788), (42, 1864560), (45, 1740256), (48, 1631490), (51, 1535520), (56, 1398420), (60, 1305192), (63, 1243040), (68, 1151640), (70, 1118736), (72, 1087660), (80, 978894), (84, 932280), (85, 921312), (90, 870128), (96, 815745), (102, 767760), (105, 745824), (112, 699210), (119, 658080), (120, 652596), (126, 621520), (136, 575820), (140, 559368), (144, 543830), (153, 511840), (160, 489447), (168, 466140), (170, 460656), (180, 435064), (204, 383880), (210, 372912), (224, 349605), (238, 329040), (240, 326298), (252, 310760), (255, 307104), (272, 287910), (280, 279684), (288, 271915), (306, 255920), (315, 248608), (336, 233070), (340, 230328), (357, 219360), (360, 217532), (408, 191940), (420, 186456), (457, 171360), (476, 164520), (480, 163149), (504, 155380), (510, 153552), (544, 143955), (560, 139842), (595, 131616), (612, 127960), (630, 124304), (672, 116535), (680, 115164), (714, 109680), (720, 108766), (765, 102368), (816, 95970), (840, 93228), (914, 85680), (952, 82260), (1008, 77690), (1020, 76776), (1071, 73120), (1120, 69921), (1190, 65808), (1224, 63980), (1260, 62152), (1360, 57582), (1371, 57120), (1428, 54840), (1440, 54383), (1530, 51184), (1632, 47985), (1680, 46614), (1785, 43872), (1828, 42840), (1904, 41130), (2016, 38845), (2040, 38388), (2142, 36560), (2285, 34272), (2380, 32904), (2448, 31990), (2520, 31076), (2720, 28791), (2742, 28560), (2856, 27420), (3060, 25592), (3199, 24480), (3360, 23307), (3570, 21936), (3656, 21420), (3808, 20565), (4080, 19194), (4113, 19040), (4284, 18280), (4570, 17136), (4760, 16452), (4896, 15995), (5040, 15538), (5355, 14624), (5484, 14280), (5712, 13710), (6120, 12796), (6398, 12240), (6855, 11424), (7140, 10968), (7312, 10710), (7769, 10080), (8160, 9597), (8226, 9520), (8568, 9140)]