1258539520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 240

約数和(自身を含む): 3582627840

約数和(自身を除く): 2324088320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 127, 128, 140, 158, 160, 196, 224, 245, 254, 256, 280, 316, 320, 392, 395, 448, 490, 508, 512, 553, 560, 632, 635, 640, 784, 790, 889, 896, 980, 1016, 1106, 1120, 1264, 1270, 1280, 1568, 1580, 1778, 1792, 1960, 2032, 2212, 2240, 2528, 2540, 2560, 2765, 3136, 3160, 3556, 3584, 3871, 3920, 4064, 4424, 4445, 4480, 5056, 5080, 5530, 6223, 6272, 6320, 7112, 7742, 7840, 8128, 8848, 8890, 8960, 10033, 10112, 10160, 11060, 12446, 12544, 12640, 14224, 15484, 15680, 16256, 17696, 17780, 17920, 19355, 20066, 20224, 20320, 22120, 24892, 25088, 25280, 28448, 30968, 31115, 31360, 32512, 35392, 35560, 38710, 40132, 40448, 40640, 44240, 49784, 50165, 50560, 56896, 61936, 62230, 62720, 65024, 70231, 70784, 71120, 77420, 80264, 81280, 88480, 99568, 100330, 101120, 113792, 123872, 124460, 125440, 140462, 141568, 142240, 154840, 160528, 162560, 176960, 199136, 200660, 202240, 227584, 247744, 248920, 280924, 283136, 284480, 309680, 321056, 325120, 351155, 353920, 398272, 401320, 455168, 491617, 495488, 497840, 561848, 568960, 619360, 642112, 702310, 707840, 796544, 802640, 983234, 990976, 995680, 1123696, 1137920, 1238720, 1284224, 1404620, 1415680, 1593088, 1605280, 1966468, 1981952, 1991360, 2247392, 2275840, 2458085, 2477440, 2568448, 2809240, 3186176, 3210560, 3932936, 3982720, 4494784, 4916170, 4954880, 5136896, 5618480, 6421120, 7865872, 7965440, 8989568, 9832340, 9909760, 11236960, 12842240, 15731744, 15930880, 17979136, 19664680, 22473920, 25684480, 31463488, 35958272, 39329360, 44947840, 62926976, 78658720, 89895680, 125853952, 157317440, 179791360, 251707904, 314634880, 629269760, 1258539520]

約数ペア:

[(1, 1258539520), (2, 629269760), (4, 314634880), (5, 251707904), (7, 179791360), (8, 157317440), (10, 125853952), (14, 89895680), (16, 78658720), (20, 62926976), (28, 44947840), (32, 39329360), (35, 35958272), (40, 31463488), (49, 25684480), (56, 22473920), (64, 19664680), (70, 17979136), (79, 15930880), (80, 15731744), (98, 12842240), (112, 11236960), (127, 9909760), (128, 9832340), (140, 8989568), (158, 7965440), (160, 7865872), (196, 6421120), (224, 5618480), (245, 5136896), (254, 4954880), (256, 4916170), (280, 4494784), (316, 3982720), (320, 3932936), (392, 3210560), (395, 3186176), (448, 2809240), (490, 2568448), (508, 2477440), (512, 2458085), (553, 2275840), (560, 2247392), (632, 1991360), (635, 1981952), (640, 1966468), (784, 1605280), (790, 1593088), (889, 1415680), (896, 1404620), (980, 1284224), (1016, 1238720), (1106, 1137920), (1120, 1123696), (1264, 995680), (1270, 990976), (1280, 983234), (1568, 802640), (1580, 796544), (1778, 707840), (1792, 702310), (1960, 642112), (2032, 619360), (2212, 568960), (2240, 561848), (2528, 497840), (2540, 495488), (2560, 491617), (2765, 455168), (3136, 401320), (3160, 398272), (3556, 353920), (3584, 351155), (3871, 325120), (3920, 321056), (4064, 309680), (4424, 284480), (4445, 283136), (4480, 280924), (5056, 248920), (5080, 247744), (5530, 227584), (6223, 202240), (6272, 200660), (6320, 199136), (7112, 176960), (7742, 162560), (7840, 160528), (8128, 154840), (8848, 142240), (8890, 141568), (8960, 140462), (10033, 125440), (10112, 124460), (10160, 123872), (11060, 113792), (12446, 101120), (12544, 100330), (12640, 99568), (14224, 88480), (15484, 81280), (15680, 80264), (16256, 77420), (17696, 71120), (17780, 70784), (17920, 70231), (19355, 65024), (20066, 62720), (20224, 62230), (20320, 61936), (22120, 56896), (24892, 50560), (25088, 50165), (25280, 49784), (28448, 44240), (30968, 40640), (31115, 40448), (31360, 40132), (32512, 38710), (35392, 35560)]