289721880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2063

約数の個数: 256

約数和(自身を含む): 1162368000

約数和(自身を除く): 872646120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2017, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4034, 4104, 4788, 5130, 5320, 5985, 6051, 6840, 7182, 7560, 7980, 8068, 9576, 10085, 10260, 11970, 12102, 14119, 14364, 15960, 16136, 17955, 18153, 20170, 20520, 23940, 24204, 28238, 28728, 30255, 35910, 36306, 38323, 40340, 42357, 47880, 48408, 54459, 56476, 60510, 70595, 71820, 72612, 76646, 80680, 84714, 90765, 108918, 112952, 114969, 121020, 127071, 141190, 143640, 145224, 153292, 169428, 181530, 191615, 211785, 217836, 229938, 242040, 254142, 268261, 272295, 282380, 306584, 338856, 344907, 363060, 381213, 383230, 423570, 435672, 459876, 508284, 536522, 544590, 564760, 574845, 635355, 689814, 726120, 762426, 766460, 804783, 847140, 919752, 1016568, 1034721, 1073044, 1089180, 1149690, 1270710, 1341305, 1379628, 1524852, 1532920, 1609566, 1694280, 1724535, 1906065, 2069442, 2146088, 2178360, 2299380, 2414349, 2541420, 2682610, 2759256, 3049704, 3219132, 3449070, 3812130, 4023915, 4138884, 4598760, 4828698, 5082840, 5173605, 5365220, 6438264, 6898140, 7243047, 7624260, 8047830, 8277768, 9657396, 10347210, 10730440, 12071745, 13796280, 14486094, 15248520, 16095660, 19314792, 20694420, 24143490, 28972188, 32191320, 36215235, 41388840, 48286980, 57944376, 72430470, 96573960, 144860940, 289721880]

約数ペア:

[(1, 289721880), (2, 144860940), (3, 96573960), (4, 72430470), (5, 57944376), (6, 48286980), (7, 41388840), (8, 36215235), (9, 32191320), (10, 28972188), (12, 24143490), (14, 20694420), (15, 19314792), (18, 16095660), (19, 15248520), (20, 14486094), (21, 13796280), (24, 12071745), (27, 10730440), (28, 10347210), (30, 9657396), (35, 8277768), (36, 8047830), (38, 7624260), (40, 7243047), (42, 6898140), (45, 6438264), (54, 5365220), (56, 5173605), (57, 5082840), (60, 4828698), (63, 4598760), (70, 4138884), (72, 4023915), (76, 3812130), (84, 3449070), (90, 3219132), (95, 3049704), (105, 2759256), (108, 2682610), (114, 2541420), (120, 2414349), (126, 2299380), (133, 2178360), (135, 2146088), (140, 2069442), (152, 1906065), (168, 1724535), (171, 1694280), (180, 1609566), (189, 1532920), (190, 1524852), (210, 1379628), (216, 1341305), (228, 1270710), (252, 1149690), (266, 1089180), (270, 1073044), (280, 1034721), (285, 1016568), (315, 919752), (342, 847140), (360, 804783), (378, 766460), (380, 762426), (399, 726120), (420, 689814), (456, 635355), (504, 574845), (513, 564760), (532, 544590), (540, 536522), (570, 508284), (630, 459876), (665, 435672), (684, 423570), (756, 383230), (760, 381213), (798, 363060), (840, 344907), (855, 338856), (945, 306584), (1026, 282380), (1064, 272295), (1080, 268261), (1140, 254142), (1197, 242040), (1260, 229938), (1330, 217836), (1368, 211785), (1512, 191615), (1596, 181530), (1710, 169428), (1890, 153292), (1995, 145224), (2017, 143640), (2052, 141190), (2280, 127071), (2394, 121020), (2520, 114969), (2565, 112952), (2660, 108918), (3192, 90765), (3420, 84714), (3591, 80680), (3780, 76646), (3990, 72612), (4034, 71820), (4104, 70595), (4788, 60510), (5130, 56476), (5320, 54459), (5985, 48408), (6051, 47880), (6840, 42357), (7182, 40340), (7560, 38323), (7980, 36306), (8068, 35910), (9576, 30255), (10085, 28728), (10260, 28238), (11970, 24204), (12102, 23940), (14119, 20520), (14364, 20170), (15960, 18153), (16136, 17955)]