645128638560

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21333619}}^1$

素因数の和:21333650

約数の個数: 192

約数和(自身を含む): 2580514675200

約数和(自身を除く): 1935386036640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 21333619, 42667238, 64000857, 85334476, 106668095, 128001714, 149335333, 170668952, 192002571, 213336190, 256003428, 298670666, 320004285, 341337904, 384005142, 426672380, 448005999, 512006856, 576007713, 597341332, 640008570, 682675808, 746676665, 768010284, 853344760, 896011998, 960012855, 1024013712, 1152015426, 1194682664, 1280017140, 1344017997, 1493353330, 1536020568, 1706689520, 1792023996, 1920025710, 2048027424, 2240029995, 2304030852, 2389365328, 2560034280, 2688035994, 2880038565, 2986706660, 3072041136, 3413379040, 3584047992, 3840051420, 4032053991, 4480059990, 4608061704, 4778730656, 5120068560, 5376071988, 5760077130, 5973413320, 6144082272, 6720089985, 7168095984, 7680102840, 8064107982, 8960119980, 9216123408, 10240137120, 10752143976, 11520154260, 11946826640, 13440179970, 14336191968, 15360205680, 16128215964, 17920239960, 18432246816, 20160269955, 21504287952, 23040308520, 23893653280, 26880359940, 30720411360, 32256431928, 35840479920, 40320539910, 43008575904, 46080617040, 53760719880, 64512863856, 71680959840, 80641079820, 92161234080, 107521439760, 129025727712, 161282159640, 215042879520, 322564319280, 645128638560]

約数ペア:

[(1, 645128638560), (2, 322564319280), (3, 215042879520), (4, 161282159640), (5, 129025727712), (6, 107521439760), (7, 92161234080), (8, 80641079820), (9, 71680959840), (10, 64512863856), (12, 53760719880), (14, 46080617040), (15, 43008575904), (16, 40320539910), (18, 35840479920), (20, 32256431928), (21, 30720411360), (24, 26880359940), (27, 23893653280), (28, 23040308520), (30, 21504287952), (32, 20160269955), (35, 18432246816), (36, 17920239960), (40, 16128215964), (42, 15360205680), (45, 14336191968), (48, 13440179970), (54, 11946826640), (56, 11520154260), (60, 10752143976), (63, 10240137120), (70, 9216123408), (72, 8960119980), (80, 8064107982), (84, 7680102840), (90, 7168095984), (96, 6720089985), (105, 6144082272), (108, 5973413320), (112, 5760077130), (120, 5376071988), (126, 5120068560), (135, 4778730656), (140, 4608061704), (144, 4480059990), (160, 4032053991), (168, 3840051420), (180, 3584047992), (189, 3413379040), (210, 3072041136), (216, 2986706660), (224, 2880038565), (240, 2688035994), (252, 2560034280), (270, 2389365328), (280, 2304030852), (288, 2240029995), (315, 2048027424), (336, 1920025710), (360, 1792023996), (378, 1706689520), (420, 1536020568), (432, 1493353330), (480, 1344017997), (504, 1280017140), (540, 1194682664), (560, 1152015426), (630, 1024013712), (672, 960012855), (720, 896011998), (756, 853344760), (840, 768010284), (864, 746676665), (945, 682675808), (1008, 640008570), (1080, 597341332), (1120, 576007713), (1260, 512006856), (1440, 448005999), (1512, 426672380), (1680, 384005142), (1890, 341337904), (2016, 320004285), (2160, 298670666), (2520, 256003428), (3024, 213336190), (3360, 192002571), (3780, 170668952), (4320, 149335333), (5040, 128001714), (6048, 106668095), (7560, 85334476), (10080, 64000857), (15120, 42667238), (30240, 21333619)]