68454720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 280

約数和(自身を含む): 258165600

約数和(自身を除く): 189710880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 139, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 278, 285, 288, 304, 320, 324, 342, 360, 380, 405, 417, 432, 456, 480, 513, 540, 556, 570, 576, 608, 648, 684, 695, 720, 760, 810, 834, 855, 864, 912, 960, 1026, 1080, 1112, 1140, 1216, 1251, 1296, 1368, 1390, 1440, 1520, 1539, 1620, 1668, 1710, 1728, 1824, 2052, 2085, 2160, 2224, 2280, 2502, 2565, 2592, 2641, 2736, 2780, 2880, 3040, 3078, 3240, 3336, 3420, 3648, 3753, 4104, 4170, 4320, 4448, 4560, 5004, 5130, 5184, 5282, 5472, 5560, 6080, 6156, 6255, 6480, 6672, 6840, 7506, 7695, 7923, 8208, 8340, 8640, 8896, 9120, 10008, 10260, 10564, 10944, 11120, 11259, 12312, 12510, 12960, 13205, 13344, 13680, 15012, 15390, 15846, 16416, 16680, 18240, 18765, 20016, 20520, 21128, 22240, 22518, 23769, 24624, 25020, 25920, 26410, 26688, 27360, 30024, 30780, 31692, 32832, 33360, 37530, 39615, 40032, 41040, 42256, 44480, 45036, 47538, 49248, 50040, 52820, 54720, 56295, 60048, 61560, 63384, 66720, 71307, 75060, 79230, 80064, 82080, 84512, 90072, 95076, 98496, 100080, 105640, 112590, 118845, 120096, 123120, 126768, 133440, 142614, 150120, 158460, 164160, 169024, 180144, 190152, 200160, 211280, 213921, 225180, 237690, 240192, 246240, 253536, 285228, 300240, 316920, 356535, 360288, 380304, 400320, 422560, 427842, 450360, 475380, 492480, 507072, 570456, 600480, 633840, 713070, 720576, 760608, 845120, 855684, 900720, 950760, 1069605, 1140912, 1200960, 1267680, 1426140, 1521216, 1711368, 1801440, 1901520, 2139210, 2281824, 2535360, 2852280, 3422736, 3602880, 3803040, 4278420, 4563648, 5704560, 6845472, 7606080, 8556840, 11409120, 13690944, 17113680, 22818240, 34227360, 68454720]

約数ペア:

[(1, 68454720), (2, 34227360), (3, 22818240), (4, 17113680), (5, 13690944), (6, 11409120), (8, 8556840), (9, 7606080), (10, 6845472), (12, 5704560), (15, 4563648), (16, 4278420), (18, 3803040), (19, 3602880), (20, 3422736), (24, 2852280), (27, 2535360), (30, 2281824), (32, 2139210), (36, 1901520), (38, 1801440), (40, 1711368), (45, 1521216), (48, 1426140), (54, 1267680), (57, 1200960), (60, 1140912), (64, 1069605), (72, 950760), (76, 900720), (80, 855684), (81, 845120), (90, 760608), (95, 720576), (96, 713070), (108, 633840), (114, 600480), (120, 570456), (135, 507072), (139, 492480), (144, 475380), (152, 450360), (160, 427842), (162, 422560), (171, 400320), (180, 380304), (190, 360288), (192, 356535), (216, 316920), (228, 300240), (240, 285228), (270, 253536), (278, 246240), (285, 240192), (288, 237690), (304, 225180), (320, 213921), (324, 211280), (342, 200160), (360, 190152), (380, 180144), (405, 169024), (417, 164160), (432, 158460), (456, 150120), (480, 142614), (513, 133440), (540, 126768), (556, 123120), (570, 120096), (576, 118845), (608, 112590), (648, 105640), (684, 100080), (695, 98496), (720, 95076), (760, 90072), (810, 84512), (834, 82080), (855, 80064), (864, 79230), (912, 75060), (960, 71307), (1026, 66720), (1080, 63384), (1112, 61560), (1140, 60048), (1216, 56295), (1251, 54720), (1296, 52820), (1368, 50040), (1390, 49248), (1440, 47538), (1520, 45036), (1539, 44480), (1620, 42256), (1668, 41040), (1710, 40032), (1728, 39615), (1824, 37530), (2052, 33360), (2085, 32832), (2160, 31692), (2224, 30780), (2280, 30024), (2502, 27360), (2565, 26688), (2592, 26410), (2641, 25920), (2736, 25020), (2780, 24624), (2880, 23769), (3040, 22518), (3078, 22240), (3240, 21128), (3336, 20520), (3420, 20016), (3648, 18765), (3753, 18240), (4104, 16680), (4170, 16416), (4320, 15846), (4448, 15390), (4560, 15012), (5004, 13680), (5130, 13344), (5184, 13205), (5282, 12960), (5472, 12510), (5560, 12312), (6080, 11259), (6156, 11120), (6255, 10944), (6480, 10564), (6672, 10260), (6840, 10008), (7506, 9120), (7695, 8896), (7923, 8640), (8208, 8340)]