645879360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 224

約数和(自身を含む): 2359590912

約数和(自身を除く): 1713711552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 223, 224, 240, 280, 320, 336, 420, 431, 446, 448, 480, 560, 669, 672, 840, 862, 892, 960, 1115, 1120, 1293, 1338, 1344, 1561, 1680, 1724, 1784, 2155, 2230, 2240, 2586, 2676, 3017, 3122, 3345, 3360, 3448, 3568, 4310, 4460, 4683, 5172, 5352, 6034, 6244, 6465, 6690, 6720, 6896, 7136, 7805, 8620, 8920, 9051, 9366, 10344, 10704, 12068, 12488, 12930, 13380, 13792, 14272, 15085, 15610, 17240, 17840, 18102, 18732, 20688, 21408, 23415, 24136, 24976, 25860, 26760, 27584, 30170, 31220, 34480, 35680, 36204, 37464, 41376, 42816, 45255, 46830, 48272, 49952, 51720, 53520, 60340, 62440, 68960, 71360, 72408, 74928, 82752, 90510, 93660, 96113, 96544, 99904, 103440, 107040, 120680, 124880, 137920, 144816, 149856, 181020, 187320, 192226, 193088, 206880, 214080, 241360, 249760, 288339, 289632, 299712, 362040, 374640, 384452, 413760, 480565, 482720, 499520, 576678, 579264, 672791, 724080, 749280, 768904, 961130, 965440, 1153356, 1345582, 1441695, 1448160, 1498560, 1537808, 1922260, 2018373, 2306712, 2691164, 2883390, 2896320, 3075616, 3363955, 3844520, 4036746, 4613424, 5382328, 5766780, 6151232, 6727910, 7689040, 8073492, 9226848, 10091865, 10764656, 11533560, 13455820, 15378080, 16146984, 18453696, 20183730, 21529312, 23067120, 26911640, 30756160, 32293968, 40367460, 43058624, 46134240, 53823280, 64587936, 80734920, 92268480, 107646560, 129175872, 161469840, 215293120, 322939680, 645879360]

約数ペア:

[(1, 645879360), (2, 322939680), (3, 215293120), (4, 161469840), (5, 129175872), (6, 107646560), (7, 92268480), (8, 80734920), (10, 64587936), (12, 53823280), (14, 46134240), (15, 43058624), (16, 40367460), (20, 32293968), (21, 30756160), (24, 26911640), (28, 23067120), (30, 21529312), (32, 20183730), (35, 18453696), (40, 16146984), (42, 15378080), (48, 13455820), (56, 11533560), (60, 10764656), (64, 10091865), (70, 9226848), (80, 8073492), (84, 7689040), (96, 6727910), (105, 6151232), (112, 5766780), (120, 5382328), (140, 4613424), (160, 4036746), (168, 3844520), (192, 3363955), (210, 3075616), (223, 2896320), (224, 2883390), (240, 2691164), (280, 2306712), (320, 2018373), (336, 1922260), (420, 1537808), (431, 1498560), (446, 1448160), (448, 1441695), (480, 1345582), (560, 1153356), (669, 965440), (672, 961130), (840, 768904), (862, 749280), (892, 724080), (960, 672791), (1115, 579264), (1120, 576678), (1293, 499520), (1338, 482720), (1344, 480565), (1561, 413760), (1680, 384452), (1724, 374640), (1784, 362040), (2155, 299712), (2230, 289632), (2240, 288339), (2586, 249760), (2676, 241360), (3017, 214080), (3122, 206880), (3345, 193088), (3360, 192226), (3448, 187320), (3568, 181020), (4310, 149856), (4460, 144816), (4683, 137920), (5172, 124880), (5352, 120680), (6034, 107040), (6244, 103440), (6465, 99904), (6690, 96544), (6720, 96113), (6896, 93660), (7136, 90510), (7805, 82752), (8620, 74928), (8920, 72408), (9051, 71360), (9366, 68960), (10344, 62440), (10704, 60340), (12068, 53520), (12488, 51720), (12930, 49952), (13380, 48272), (13792, 46830), (14272, 45255), (15085, 42816), (15610, 41376), (17240, 37464), (17840, 36204), (18102, 35680), (18732, 34480), (20688, 31220), (21408, 30170), (23415, 27584), (24136, 26760), (24976, 25860)]