278520120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 320

約数和(自身を含む): 1003622400

約数和(自身を除く): 725102280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 54, 59, 60, 62, 72, 81, 90, 93, 94, 108, 118, 120, 124, 135, 141, 155, 162, 177, 180, 186, 188, 216, 235, 236, 248, 270, 279, 282, 295, 310, 324, 354, 360, 372, 376, 405, 423, 465, 470, 472, 531, 540, 558, 564, 590, 620, 648, 705, 708, 744, 810, 837, 846, 885, 930, 940, 1062, 1080, 1116, 1128, 1180, 1240, 1269, 1395, 1410, 1416, 1457, 1593, 1620, 1674, 1692, 1770, 1829, 1860, 1880, 2115, 2124, 2232, 2360, 2511, 2538, 2655, 2773, 2790, 2820, 2914, 3186, 3240, 3348, 3384, 3540, 3658, 3720, 3807, 4185, 4230, 4248, 4371, 4779, 5022, 5076, 5310, 5487, 5546, 5580, 5640, 5828, 6345, 6372, 6696, 7080, 7285, 7316, 7614, 7965, 8319, 8370, 8460, 8742, 9145, 9558, 10044, 10152, 10620, 10974, 11092, 11160, 11656, 12555, 12690, 12744, 13113, 13865, 14570, 14632, 15228, 15930, 16461, 16638, 16740, 16920, 17484, 18290, 19035, 19116, 20088, 21240, 21855, 21948, 22184, 23895, 24957, 25110, 25380, 26226, 27435, 27730, 29140, 30456, 31860, 32922, 33276, 33480, 34968, 36580, 38070, 38232, 39339, 41595, 43710, 43896, 47790, 49383, 49914, 50220, 50760, 52452, 54870, 55460, 58280, 63720, 65565, 65844, 66552, 73160, 74871, 76140, 78678, 82305, 83190, 85963, 87420, 95580, 98766, 99828, 100440, 104904, 109740, 110920, 118017, 124785, 131130, 131688, 148149, 149742, 152280, 157356, 164610, 166380, 171926, 174840, 191160, 196695, 197532, 199656, 219480, 224613, 236034, 246915, 249570, 257889, 262260, 296298, 299484, 314712, 329220, 332760, 343852, 374355, 393390, 395064, 429815, 449226, 472068, 493830, 499140, 515778, 524520, 590085, 592596, 598968, 658440, 687704, 740745, 748710, 773667, 786780, 859630, 898452, 944136, 987660, 998280, 1031556, 1123065, 1180170, 1185192, 1289445, 1481490, 1497420, 1547334, 1573560, 1719260, 1796904, 1975320, 2063112, 2246130, 2321001, 2360340, 2578890, 2962980, 2994840, 3094668, 3438520, 3868335, 4492260, 4642002, 4720680, 5157780, 5925960, 6189336, 6963003, 7736670, 8984520, 9284004, 10315560, 11605005, 13926006, 15473340, 18568008, 23210010, 27852012, 30946680, 34815015, 46420020, 55704024, 69630030, 92840040, 139260060, 278520120]

約数ペア:

[(1, 278520120), (2, 139260060), (3, 92840040), (4, 69630030), (5, 55704024), (6, 46420020), (8, 34815015), (9, 30946680), (10, 27852012), (12, 23210010), (15, 18568008), (18, 15473340), (20, 13926006), (24, 11605005), (27, 10315560), (30, 9284004), (31, 8984520), (36, 7736670), (40, 6963003), (45, 6189336), (47, 5925960), (54, 5157780), (59, 4720680), (60, 4642002), (62, 4492260), (72, 3868335), (81, 3438520), (90, 3094668), (93, 2994840), (94, 2962980), (108, 2578890), (118, 2360340), (120, 2321001), (124, 2246130), (135, 2063112), (141, 1975320), (155, 1796904), (162, 1719260), (177, 1573560), (180, 1547334), (186, 1497420), (188, 1481490), (216, 1289445), (235, 1185192), (236, 1180170), (248, 1123065), (270, 1031556), (279, 998280), (282, 987660), (295, 944136), (310, 898452), (324, 859630), (354, 786780), (360, 773667), (372, 748710), (376, 740745), (405, 687704), (423, 658440), (465, 598968), (470, 592596), (472, 590085), (531, 524520), (540, 515778), (558, 499140), (564, 493830), (590, 472068), (620, 449226), (648, 429815), (705, 395064), (708, 393390), (744, 374355), (810, 343852), (837, 332760), (846, 329220), (885, 314712), (930, 299484), (940, 296298), (1062, 262260), (1080, 257889), (1116, 249570), (1128, 246915), (1180, 236034), (1240, 224613), (1269, 219480), (1395, 199656), (1410, 197532), (1416, 196695), (1457, 191160), (1593, 174840), (1620, 171926), (1674, 166380), (1692, 164610), (1770, 157356), (1829, 152280), (1860, 149742), (1880, 148149), (2115, 131688), (2124, 131130), (2232, 124785), (2360, 118017), (2511, 110920), (2538, 109740), (2655, 104904), (2773, 100440), (2790, 99828), (2820, 98766), (2914, 95580), (3186, 87420), (3240, 85963), (3348, 83190), (3384, 82305), (3540, 78678), (3658, 76140), (3720, 74871), (3807, 73160), (4185, 66552), (4230, 65844), (4248, 65565), (4371, 63720), (4779, 58280), (5022, 55460), (5076, 54870), (5310, 52452), (5487, 50760), (5546, 50220), (5580, 49914), (5640, 49383), (5828, 47790), (6345, 43896), (6372, 43710), (6696, 41595), (7080, 39339), (7285, 38232), (7316, 38070), (7614, 36580), (7965, 34968), (8319, 33480), (8370, 33276), (8460, 32922), (8742, 31860), (9145, 30456), (9558, 29140), (10044, 27730), (10152, 27435), (10620, 26226), (10974, 25380), (11092, 25110), (11160, 24957), (11656, 23895), (12555, 22184), (12690, 21948), (12744, 21855), (13113, 21240), (13865, 20088), (14570, 19116), (14632, 19035), (15228, 18290), (15930, 17484), (16461, 16920), (16638, 16740)]