195121440

素因数分解:

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

素因数の和:133

約数の個数: 288

約数和(自身を含む): 720679680

約数和(自身を除く): 525558240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 47, 48, 54, 60, 62, 72, 80, 90, 93, 94, 96, 108, 120, 124, 135, 141, 144, 155, 160, 180, 186, 188, 216, 235, 240, 248, 270, 279, 282, 288, 310, 360, 372, 376, 423, 432, 465, 470, 480, 496, 540, 558, 564, 620, 705, 720, 744, 752, 837, 846, 864, 930, 940, 961, 992, 1080, 1116, 1128, 1240, 1269, 1395, 1410, 1440, 1457, 1488, 1504, 1674, 1692, 1860, 1880, 1922, 2115, 2160, 2232, 2256, 2480, 2538, 2790, 2820, 2883, 2914, 2976, 3348, 3384, 3720, 3760, 3844, 4185, 4230, 4320, 4371, 4464, 4512, 4805, 4960, 5076, 5580, 5640, 5766, 5828, 6345, 6696, 6768, 7285, 7440, 7520, 7688, 8370, 8460, 8649, 8742, 8928, 9610, 10152, 11160, 11280, 11532, 11656, 12690, 13113, 13392, 13536, 14415, 14570, 14880, 15376, 16740, 16920, 17298, 17484, 19220, 20304, 21855, 22320, 22560, 23064, 23312, 25380, 25947, 26226, 26784, 28830, 29140, 30752, 33480, 33840, 34596, 34968, 38440, 39339, 40608, 43245, 43710, 44640, 45167, 46128, 46624, 50760, 51894, 52452, 57660, 58280, 65565, 66960, 67680, 69192, 69936, 76880, 78678, 86490, 87420, 90334, 92256, 101520, 103788, 104904, 115320, 116560, 129735, 131130, 133920, 135501, 138384, 139872, 153760, 157356, 172980, 174840, 180668, 196695, 203040, 207576, 209808, 225835, 230640, 233120, 259470, 262260, 271002, 276768, 314712, 345960, 349680, 361336, 393390, 406503, 415152, 419616, 451670, 461280, 518940, 524520, 542004, 629424, 677505, 691920, 699360, 722672, 786780, 813006, 830304, 903340, 1037880, 1049040, 1084008, 1219509, 1258848, 1355010, 1383840, 1445344, 1573560, 1626012, 1806680, 2032515, 2075760, 2098080, 2168016, 2439018, 2710020, 3147120, 3252024, 3613360, 4065030, 4151520, 4336032, 4878036, 5420040, 6097545, 6294240, 6504048, 7226720, 8130060, 9756072, 10840080, 12195090, 13008096, 16260120, 19512144, 21680160, 24390180, 32520240, 39024288, 48780360, 65040480, 97560720, 195121440]

約数ペア:

[(1, 195121440), (2, 97560720), (3, 65040480), (4, 48780360), (5, 39024288), (6, 32520240), (8, 24390180), (9, 21680160), (10, 19512144), (12, 16260120), (15, 13008096), (16, 12195090), (18, 10840080), (20, 9756072), (24, 8130060), (27, 7226720), (30, 6504048), (31, 6294240), (32, 6097545), (36, 5420040), (40, 4878036), (45, 4336032), (47, 4151520), (48, 4065030), (54, 3613360), (60, 3252024), (62, 3147120), (72, 2710020), (80, 2439018), (90, 2168016), (93, 2098080), (94, 2075760), (96, 2032515), (108, 1806680), (120, 1626012), (124, 1573560), (135, 1445344), (141, 1383840), (144, 1355010), (155, 1258848), (160, 1219509), (180, 1084008), (186, 1049040), (188, 1037880), (216, 903340), (235, 830304), (240, 813006), (248, 786780), (270, 722672), (279, 699360), (282, 691920), (288, 677505), (310, 629424), (360, 542004), (372, 524520), (376, 518940), (423, 461280), (432, 451670), (465, 419616), (470, 415152), (480, 406503), (496, 393390), (540, 361336), (558, 349680), (564, 345960), (620, 314712), (705, 276768), (720, 271002), (744, 262260), (752, 259470), (837, 233120), (846, 230640), (864, 225835), (930, 209808), (940, 207576), (961, 203040), (992, 196695), (1080, 180668), (1116, 174840), (1128, 172980), (1240, 157356), (1269, 153760), (1395, 139872), (1410, 138384), (1440, 135501), (1457, 133920), (1488, 131130), (1504, 129735), (1674, 116560), (1692, 115320), (1860, 104904), (1880, 103788), (1922, 101520), (2115, 92256), (2160, 90334), (2232, 87420), (2256, 86490), (2480, 78678), (2538, 76880), (2790, 69936), (2820, 69192), (2883, 67680), (2914, 66960), (2976, 65565), (3348, 58280), (3384, 57660), (3720, 52452), (3760, 51894), (3844, 50760), (4185, 46624), (4230, 46128), (4320, 45167), (4371, 44640), (4464, 43710), (4512, 43245), (4805, 40608), (4960, 39339), (5076, 38440), (5580, 34968), (5640, 34596), (5766, 33840), (5828, 33480), (6345, 30752), (6696, 29140), (6768, 28830), (7285, 26784), (7440, 26226), (7520, 25947), (7688, 25380), (8370, 23312), (8460, 23064), (8649, 22560), (8742, 22320), (8928, 21855), (9610, 20304), (10152, 19220), (11160, 17484), (11280, 17298), (11532, 16920), (11656, 16740), (12690, 15376), (13113, 14880), (13392, 14570), (13536, 14415)]