689075520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 336

約数和(自身を含む): 2604845184

約数和(自身を除く): 1915769664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 61, 64, 70, 80, 82, 84, 96, 105, 112, 120, 122, 123, 140, 160, 164, 168, 183, 192, 205, 210, 224, 240, 244, 246, 280, 287, 305, 320, 328, 336, 366, 410, 420, 427, 448, 480, 488, 492, 560, 574, 610, 615, 656, 672, 732, 820, 840, 854, 861, 915, 960, 976, 984, 1120, 1148, 1220, 1230, 1281, 1312, 1344, 1435, 1464, 1640, 1680, 1681, 1708, 1722, 1830, 1952, 1968, 2135, 2240, 2296, 2440, 2460, 2501, 2562, 2624, 2870, 2928, 3280, 3360, 3362, 3416, 3444, 3660, 3904, 3936, 4270, 4305, 4592, 4880, 4920, 5002, 5043, 5124, 5740, 5856, 6405, 6560, 6720, 6724, 6832, 6888, 7320, 7503, 7872, 8405, 8540, 8610, 9184, 9760, 9840, 10004, 10086, 10248, 11480, 11712, 11767, 12505, 12810, 13120, 13448, 13664, 13776, 14640, 15006, 16810, 17080, 17220, 17507, 18368, 19520, 19680, 20008, 20172, 20496, 22960, 23534, 25010, 25215, 25620, 26896, 27328, 27552, 29280, 30012, 33620, 34160, 34440, 35014, 35301, 37515, 39360, 40016, 40344, 40992, 45920, 47068, 50020, 50430, 51240, 52521, 53792, 55104, 58560, 58835, 60024, 67240, 68320, 68880, 70028, 70602, 75030, 80032, 80688, 81984, 87535, 91840, 94136, 100040, 100860, 102480, 102541, 105042, 107584, 117670, 120048, 134480, 136640, 137760, 140056, 141204, 150060, 160064, 161376, 175070, 176505, 188272, 200080, 201720, 204960, 205082, 210084, 235340, 240096, 262605, 268960, 275520, 280112, 282408, 300120, 307623, 322752, 350140, 353010, 376544, 400160, 403440, 409920, 410164, 420168, 470680, 480192, 512705, 525210, 537920, 560224, 564816, 600240, 615246, 700280, 706020, 717787, 753088, 800320, 806880, 820328, 840336, 941360, 1025410, 1050420, 1120448, 1129632, 1200480, 1230492, 1400560, 1412040, 1435574, 1538115, 1613760, 1640656, 1680672, 1882720, 2050820, 2100840, 2153361, 2259264, 2400960, 2460984, 2801120, 2824080, 2871148, 3076230, 3281312, 3361344, 3588935, 3765440, 4101640, 4201680, 4306722, 4921968, 5602240, 5648160, 5742296, 6152460, 6562624, 7177870, 8203280, 8403360, 8613444, 9843936, 10766805, 11296320, 11484592, 12304920, 14355740, 16406560, 16806720, 17226888, 19687872, 21533610, 22969184, 24609840, 28711480, 32813120, 34453776, 43067220, 45938368, 49219680, 57422960, 68907552, 86134440, 98439360, 114845920, 137815104, 172268880, 229691840, 344537760, 689075520]

約数ペア:

[(1, 689075520), (2, 344537760), (3, 229691840), (4, 172268880), (5, 137815104), (6, 114845920), (7, 98439360), (8, 86134440), (10, 68907552), (12, 57422960), (14, 49219680), (15, 45938368), (16, 43067220), (20, 34453776), (21, 32813120), (24, 28711480), (28, 24609840), (30, 22969184), (32, 21533610), (35, 19687872), (40, 17226888), (41, 16806720), (42, 16406560), (48, 14355740), (56, 12304920), (60, 11484592), (61, 11296320), (64, 10766805), (70, 9843936), (80, 8613444), (82, 8403360), (84, 8203280), (96, 7177870), (105, 6562624), (112, 6152460), (120, 5742296), (122, 5648160), (123, 5602240), (140, 4921968), (160, 4306722), (164, 4201680), (168, 4101640), (183, 3765440), (192, 3588935), (205, 3361344), (210, 3281312), (224, 3076230), (240, 2871148), (244, 2824080), (246, 2801120), (280, 2460984), (287, 2400960), (305, 2259264), (320, 2153361), (328, 2100840), (336, 2050820), (366, 1882720), (410, 1680672), (420, 1640656), (427, 1613760), (448, 1538115), (480, 1435574), (488, 1412040), (492, 1400560), (560, 1230492), (574, 1200480), (610, 1129632), (615, 1120448), (656, 1050420), (672, 1025410), (732, 941360), (820, 840336), (840, 820328), (854, 806880), (861, 800320), (915, 753088), (960, 717787), (976, 706020), (984, 700280), (1120, 615246), (1148, 600240), (1220, 564816), (1230, 560224), (1281, 537920), (1312, 525210), (1344, 512705), (1435, 480192), (1464, 470680), (1640, 420168), (1680, 410164), (1681, 409920), (1708, 403440), (1722, 400160), (1830, 376544), (1952, 353010), (1968, 350140), (2135, 322752), (2240, 307623), (2296, 300120), (2440, 282408), (2460, 280112), (2501, 275520), (2562, 268960), (2624, 262605), (2870, 240096), (2928, 235340), (3280, 210084), (3360, 205082), (3362, 204960), (3416, 201720), (3444, 200080), (3660, 188272), (3904, 176505), (3936, 175070), (4270, 161376), (4305, 160064), (4592, 150060), (4880, 141204), (4920, 140056), (5002, 137760), (5043, 136640), (5124, 134480), (5740, 120048), (5856, 117670), (6405, 107584), (6560, 105042), (6720, 102541), (6724, 102480), (6832, 100860), (6888, 100040), (7320, 94136), (7503, 91840), (7872, 87535), (8405, 81984), (8540, 80688), (8610, 80032), (9184, 75030), (9760, 70602), (9840, 70028), (10004, 68880), (10086, 68320), (10248, 67240), (11480, 60024), (11712, 58835), (11767, 58560), (12505, 55104), (12810, 53792), (13120, 52521), (13448, 51240), (13664, 50430), (13776, 50020), (14640, 47068), (15006, 45920), (16810, 40992), (17080, 40344), (17220, 40016), (17507, 39360), (18368, 37515), (19520, 35301), (19680, 35014), (20008, 34440), (20172, 34160), (20496, 33620), (22960, 30012), (23534, 29280), (25010, 27552), (25215, 27328), (25620, 26896)]