830720640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:891

約数の個数: 256

約数和(自身を含む): 2897648640

約数和(自身を除く): 2066928000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 272, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 640, 680, 744, 816, 821, 930, 960, 992, 1020, 1054, 1088, 1240, 1360, 1488, 1581, 1632, 1642, 1860, 1920, 1984, 2040, 2108, 2176, 2463, 2480, 2635, 2720, 2976, 3162, 3264, 3284, 3720, 3968, 4080, 4105, 4216, 4926, 4960, 5270, 5440, 5952, 6324, 6528, 6568, 7440, 7905, 8160, 8210, 8432, 9852, 9920, 10540, 10880, 11904, 12315, 12648, 13136, 13957, 14880, 15810, 16320, 16420, 16864, 19704, 19840, 21080, 24630, 25296, 25451, 26272, 27914, 29760, 31620, 32640, 32840, 33728, 39408, 41871, 42160, 49260, 50592, 50902, 52544, 55828, 59520, 63240, 65680, 67456, 69785, 76353, 78816, 83742, 84320, 98520, 101184, 101804, 105088, 111656, 126480, 127255, 131360, 139570, 152706, 157632, 167484, 168640, 197040, 202368, 203608, 209355, 223312, 252960, 254510, 262720, 279140, 305412, 315264, 334968, 337280, 381765, 394080, 407216, 418710, 432667, 446624, 505920, 509020, 525440, 558280, 610824, 669936, 763530, 788160, 814432, 837420, 865334, 893248, 1011840, 1018040, 1116560, 1221648, 1298001, 1339872, 1527060, 1576320, 1628864, 1674840, 1730668, 1786496, 2036080, 2163335, 2233120, 2443296, 2596002, 2679744, 3054120, 3257728, 3349680, 3461336, 4072160, 4326670, 4466240, 4886592, 5192004, 5359488, 6108240, 6490005, 6699360, 6922672, 8144320, 8653340, 8932480, 9773184, 10384008, 12216480, 12980010, 13398720, 13845344, 16288640, 17306680, 20768016, 24432960, 25960020, 26797440, 27690688, 34613360, 41536032, 48865920, 51920040, 55381376, 69226720, 83072064, 103840080, 138453440, 166144128, 207680160, 276906880, 415360320, 830720640]

約数ペア:

[(1, 830720640), (2, 415360320), (3, 276906880), (4, 207680160), (5, 166144128), (6, 138453440), (8, 103840080), (10, 83072064), (12, 69226720), (15, 55381376), (16, 51920040), (17, 48865920), (20, 41536032), (24, 34613360), (30, 27690688), (31, 26797440), (32, 25960020), (34, 24432960), (40, 20768016), (48, 17306680), (51, 16288640), (60, 13845344), (62, 13398720), (64, 12980010), (68, 12216480), (80, 10384008), (85, 9773184), (93, 8932480), (96, 8653340), (102, 8144320), (120, 6922672), (124, 6699360), (128, 6490005), (136, 6108240), (155, 5359488), (160, 5192004), (170, 4886592), (186, 4466240), (192, 4326670), (204, 4072160), (240, 3461336), (248, 3349680), (255, 3257728), (272, 3054120), (310, 2679744), (320, 2596002), (340, 2443296), (372, 2233120), (384, 2163335), (408, 2036080), (465, 1786496), (480, 1730668), (496, 1674840), (510, 1628864), (527, 1576320), (544, 1527060), (620, 1339872), (640, 1298001), (680, 1221648), (744, 1116560), (816, 1018040), (821, 1011840), (930, 893248), (960, 865334), (992, 837420), (1020, 814432), (1054, 788160), (1088, 763530), (1240, 669936), (1360, 610824), (1488, 558280), (1581, 525440), (1632, 509020), (1642, 505920), (1860, 446624), (1920, 432667), (1984, 418710), (2040, 407216), (2108, 394080), (2176, 381765), (2463, 337280), (2480, 334968), (2635, 315264), (2720, 305412), (2976, 279140), (3162, 262720), (3264, 254510), (3284, 252960), (3720, 223312), (3968, 209355), (4080, 203608), (4105, 202368), (4216, 197040), (4926, 168640), (4960, 167484), (5270, 157632), (5440, 152706), (5952, 139570), (6324, 131360), (6528, 127255), (6568, 126480), (7440, 111656), (7905, 105088), (8160, 101804), (8210, 101184), (8432, 98520), (9852, 84320), (9920, 83742), (10540, 78816), (10880, 76353), (11904, 69785), (12315, 67456), (12648, 65680), (13136, 63240), (13957, 59520), (14880, 55828), (15810, 52544), (16320, 50902), (16420, 50592), (16864, 49260), (19704, 42160), (19840, 41871), (21080, 39408), (24630, 33728), (25296, 32840), (25451, 32640), (26272, 31620), (27914, 29760)]