289505920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 256

約数和(自身を含む): 832809600

約数和(自身を除く): 543303680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 41, 44, 55, 59, 64, 68, 80, 82, 85, 88, 110, 118, 128, 136, 160, 164, 170, 176, 187, 205, 220, 236, 272, 295, 320, 328, 340, 352, 374, 410, 440, 451, 472, 544, 590, 640, 649, 656, 680, 697, 704, 748, 820, 880, 902, 935, 944, 1003, 1088, 1180, 1298, 1312, 1360, 1394, 1408, 1496, 1640, 1760, 1804, 1870, 1888, 2006, 2176, 2255, 2360, 2419, 2596, 2624, 2720, 2788, 2992, 3245, 3280, 3485, 3520, 3608, 3740, 3776, 4012, 4510, 4720, 4838, 5015, 5192, 5248, 5440, 5576, 5984, 6490, 6560, 6970, 7040, 7216, 7480, 7552, 7667, 8024, 9020, 9440, 9676, 10030, 10384, 10880, 11033, 11152, 11968, 12095, 12980, 13120, 13940, 14432, 14960, 15334, 16048, 18040, 18880, 19352, 20060, 20768, 22066, 22304, 23936, 24190, 25960, 26240, 26609, 27880, 28864, 29920, 30668, 32096, 36080, 37760, 38335, 38704, 40120, 41123, 41536, 44132, 44608, 48380, 51920, 53218, 55165, 55760, 57728, 59840, 61336, 64192, 72160, 76670, 77408, 80240, 82246, 83072, 88264, 89216, 96760, 103840, 106436, 110330, 111520, 119680, 122672, 128384, 133045, 144320, 153340, 154816, 160480, 164492, 176528, 193520, 205615, 207680, 212872, 220660, 223040, 245344, 266090, 288640, 306680, 309632, 320960, 328984, 353056, 387040, 411230, 415360, 425744, 441320, 446080, 452353, 490688, 532180, 613360, 641920, 657968, 706112, 774080, 822460, 851488, 882640, 904706, 981376, 1064360, 1226720, 1315936, 1412224, 1548160, 1644920, 1702976, 1765280, 1809412, 2128720, 2261765, 2453440, 2631872, 3289840, 3405952, 3530560, 3618824, 4257440, 4523530, 4906880, 5263744, 6579680, 7061120, 7237648, 8514880, 9047060, 13159360, 14475296, 17029760, 18094120, 26318720, 28950592, 36188240, 57901184, 72376480, 144752960, 289505920]

約数ペア:

[(1, 289505920), (2, 144752960), (4, 72376480), (5, 57901184), (8, 36188240), (10, 28950592), (11, 26318720), (16, 18094120), (17, 17029760), (20, 14475296), (22, 13159360), (32, 9047060), (34, 8514880), (40, 7237648), (41, 7061120), (44, 6579680), (55, 5263744), (59, 4906880), (64, 4523530), (68, 4257440), (80, 3618824), (82, 3530560), (85, 3405952), (88, 3289840), (110, 2631872), (118, 2453440), (128, 2261765), (136, 2128720), (160, 1809412), (164, 1765280), (170, 1702976), (176, 1644920), (187, 1548160), (205, 1412224), (220, 1315936), (236, 1226720), (272, 1064360), (295, 981376), (320, 904706), (328, 882640), (340, 851488), (352, 822460), (374, 774080), (410, 706112), (440, 657968), (451, 641920), (472, 613360), (544, 532180), (590, 490688), (640, 452353), (649, 446080), (656, 441320), (680, 425744), (697, 415360), (704, 411230), (748, 387040), (820, 353056), (880, 328984), (902, 320960), (935, 309632), (944, 306680), (1003, 288640), (1088, 266090), (1180, 245344), (1298, 223040), (1312, 220660), (1360, 212872), (1394, 207680), (1408, 205615), (1496, 193520), (1640, 176528), (1760, 164492), (1804, 160480), (1870, 154816), (1888, 153340), (2006, 144320), (2176, 133045), (2255, 128384), (2360, 122672), (2419, 119680), (2596, 111520), (2624, 110330), (2720, 106436), (2788, 103840), (2992, 96760), (3245, 89216), (3280, 88264), (3485, 83072), (3520, 82246), (3608, 80240), (3740, 77408), (3776, 76670), (4012, 72160), (4510, 64192), (4720, 61336), (4838, 59840), (5015, 57728), (5192, 55760), (5248, 55165), (5440, 53218), (5576, 51920), (5984, 48380), (6490, 44608), (6560, 44132), (6970, 41536), (7040, 41123), (7216, 40120), (7480, 38704), (7552, 38335), (7667, 37760), (8024, 36080), (9020, 32096), (9440, 30668), (9676, 29920), (10030, 28864), (10384, 27880), (10880, 26609), (11033, 26240), (11152, 25960), (11968, 24190), (12095, 23936), (12980, 22304), (13120, 22066), (13940, 20768), (14432, 20060), (14960, 19352), (15334, 18880), (16048, 18040)]