20105070720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{3947}}^1$

素因数の和:4355

約数の個数: 256

約数和(自身を含む): 73451750400

約数和(自身を除く): 53346679680

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 379, 384, 420, 448, 480, 560, 640, 672, 758, 840, 896, 960, 1120, 1137, 1344, 1516, 1680, 1895, 1920, 2240, 2274, 2653, 2688, 3032, 3360, 3790, 3947, 4480, 4548, 5306, 5685, 6064, 6720, 7580, 7894, 7959, 9096, 10612, 11370, 11841, 12128, 13265, 13440, 15160, 15788, 15918, 18192, 19735, 21224, 22740, 23682, 24256, 26530, 27629, 30320, 31576, 31836, 36384, 39470, 39795, 42448, 45480, 47364, 48512, 53060, 55258, 59205, 60640, 63152, 63672, 72768, 78940, 79590, 82887, 84896, 90960, 94728, 106120, 110516, 118410, 121280, 126304, 127344, 138145, 145536, 157880, 159180, 165774, 169792, 181920, 189456, 212240, 221032, 236820, 242560, 252608, 254688, 276290, 315760, 318360, 331548, 339584, 363840, 378912, 414435, 424480, 442064, 473640, 505216, 509376, 552580, 631520, 636720, 663096, 727680, 757824, 828870, 848960, 884128, 947280, 1018752, 1105160, 1263040, 1273440, 1326192, 1495913, 1515648, 1657740, 1697920, 1768256, 1894560, 2210320, 2526080, 2546880, 2652384, 2991826, 3315480, 3536512, 3789120, 4420640, 4487739, 5093760, 5304768, 5983652, 6630960, 7479565, 7578240, 8841280, 8975478, 10471391, 10609536, 11967304, 13261920, 14959130, 17682560, 17950956, 20942782, 22438695, 23934608, 26523840, 29918260, 31414173, 35901912, 41885564, 44877390, 47869216, 52356955, 53047680, 59836520, 62828346, 71803824, 83771128, 89754780, 95738432, 104713910, 119673040, 125656692, 143607648, 157070865, 167542256, 179509560, 191476864, 209427820, 239346080, 251313384, 287215296, 314141730, 335084512, 359019120, 418855640, 478692160, 502626768, 574430592, 628283460, 670169024, 718038240, 837711280, 957384320, 1005253536, 1256566920, 1340338048, 1436076480, 1675422560, 2010507072, 2513133840, 2872152960, 3350845120, 4021014144, 5026267680, 6701690240, 10052535360, 20105070720]

約数ペア:

[(1, 20105070720), (2, 10052535360), (3, 6701690240), (4, 5026267680), (5, 4021014144), (6, 3350845120), (7, 2872152960), (8, 2513133840), (10, 2010507072), (12, 1675422560), (14, 1436076480), (15, 1340338048), (16, 1256566920), (20, 1005253536), (21, 957384320), (24, 837711280), (28, 718038240), (30, 670169024), (32, 628283460), (35, 574430592), (40, 502626768), (42, 478692160), (48, 418855640), (56, 359019120), (60, 335084512), (64, 314141730), (70, 287215296), (80, 251313384), (84, 239346080), (96, 209427820), (105, 191476864), (112, 179509560), (120, 167542256), (128, 157070865), (140, 143607648), (160, 125656692), (168, 119673040), (192, 104713910), (210, 95738432), (224, 89754780), (240, 83771128), (280, 71803824), (320, 62828346), (336, 59836520), (379, 53047680), (384, 52356955), (420, 47869216), (448, 44877390), (480, 41885564), (560, 35901912), (640, 31414173), (672, 29918260), (758, 26523840), (840, 23934608), (896, 22438695), (960, 20942782), (1120, 17950956), (1137, 17682560), (1344, 14959130), (1516, 13261920), (1680, 11967304), (1895, 10609536), (1920, 10471391), (2240, 8975478), (2274, 8841280), (2653, 7578240), (2688, 7479565), (3032, 6630960), (3360, 5983652), (3790, 5304768), (3947, 5093760), (4480, 4487739), (4548, 4420640), (5306, 3789120), (5685, 3536512), (6064, 3315480), (6720, 2991826), (7580, 2652384), (7894, 2546880), (7959, 2526080), (9096, 2210320), (10612, 1894560), (11370, 1768256), (11841, 1697920), (12128, 1657740), (13265, 1515648), (13440, 1495913), (15160, 1326192), (15788, 1273440), (15918, 1263040), (18192, 1105160), (19735, 1018752), (21224, 947280), (22740, 884128), (23682, 848960), (24256, 828870), (26530, 757824), (27629, 727680), (30320, 663096), (31576, 636720), (31836, 631520), (36384, 552580), (39470, 509376), (39795, 505216), (42448, 473640), (45480, 442064), (47364, 424480), (48512, 414435), (53060, 378912), (55258, 363840), (59205, 339584), (60640, 331548), (63152, 318360), (63672, 315760), (72768, 276290), (78940, 254688), (79590, 252608), (82887, 242560), (84896, 236820), (90960, 221032), (94728, 212240), (106120, 189456), (110516, 181920), (118410, 169792), (121280, 165774), (126304, 159180), (127344, 157880), (138145, 145536)]