646804080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3688

約数の個数: 240

約数和(自身を含む): 2463071520

約数和(自身を除く): 1816267440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3637, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7274, 7410, 8892, 9360, 9880, 10911, 11115, 11856, 13680, 14548, 14820, 17784, 18185, 19760, 21822, 22230, 29096, 29640, 32733, 35568, 36370, 43644, 44460, 47281, 54555, 58192, 59280, 65466, 69103, 72740, 87288, 88920, 94562, 109110, 130932, 138206, 141843, 145480, 163665, 174576, 177840, 189124, 207309, 218220, 236405, 261864, 276412, 283686, 290960, 327330, 345515, 378248, 414618, 425529, 436440, 472810, 523728, 552824, 567372, 621927, 654660, 691030, 709215, 756496, 829236, 851058, 872880, 898339, 945620, 1036545, 1105648, 1134744, 1243854, 1309320, 1382060, 1418430, 1658472, 1702116, 1796678, 1891240, 2073090, 2127645, 2269488, 2487708, 2618640, 2695017, 2764120, 2836860, 3109635, 3316944, 3404232, 3593356, 3782480, 4146180, 4255290, 4491695, 4975416, 5390034, 5528240, 5673720, 6219270, 6808464, 7186712, 8085051, 8292360, 8510580, 8983390, 9950832, 10780068, 11347440, 12438540, 13475085, 14373424, 16170102, 16584720, 17021160, 17966780, 21560136, 24877080, 26950170, 32340204, 34042320, 35933560, 40425255, 43120272, 49754160, 53900340, 64680408, 71867120, 80850510, 107800680, 129360816, 161701020, 215601360, 323402040, 646804080]

約数ペア:

[(1, 646804080), (2, 323402040), (3, 215601360), (4, 161701020), (5, 129360816), (6, 107800680), (8, 80850510), (9, 71867120), (10, 64680408), (12, 53900340), (13, 49754160), (15, 43120272), (16, 40425255), (18, 35933560), (19, 34042320), (20, 32340204), (24, 26950170), (26, 24877080), (30, 21560136), (36, 17966780), (38, 17021160), (39, 16584720), (40, 16170102), (45, 14373424), (48, 13475085), (52, 12438540), (57, 11347440), (60, 10780068), (65, 9950832), (72, 8983390), (76, 8510580), (78, 8292360), (80, 8085051), (90, 7186712), (95, 6808464), (104, 6219270), (114, 5673720), (117, 5528240), (120, 5390034), (130, 4975416), (144, 4491695), (152, 4255290), (156, 4146180), (171, 3782480), (180, 3593356), (190, 3404232), (195, 3316944), (208, 3109635), (228, 2836860), (234, 2764120), (240, 2695017), (247, 2618640), (260, 2487708), (285, 2269488), (304, 2127645), (312, 2073090), (342, 1891240), (360, 1796678), (380, 1702116), (390, 1658472), (456, 1418430), (468, 1382060), (494, 1309320), (520, 1243854), (570, 1134744), (585, 1105648), (624, 1036545), (684, 945620), (720, 898339), (741, 872880), (760, 851058), (780, 829236), (855, 756496), (912, 709215), (936, 691030), (988, 654660), (1040, 621927), (1140, 567372), (1170, 552824), (1235, 523728), (1368, 472810), (1482, 436440), (1520, 425529), (1560, 414618), (1710, 378248), (1872, 345515), (1976, 327330), (2223, 290960), (2280, 283686), (2340, 276412), (2470, 261864), (2736, 236405), (2964, 218220), (3120, 207309), (3420, 189124), (3637, 177840), (3705, 174576), (3952, 163665), (4446, 145480), (4560, 141843), (4680, 138206), (4940, 130932), (5928, 109110), (6840, 94562), (7274, 88920), (7410, 87288), (8892, 72740), (9360, 69103), (9880, 65466), (10911, 59280), (11115, 58192), (11856, 54555), (13680, 47281), (14548, 44460), (14820, 43644), (17784, 36370), (18185, 35568), (19760, 32733), (21822, 29640), (22230, 29096)]