2556374640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:927

約数の個数: 160

約数和(自身を含む): 8064769536

約数和(自身を除く): 5508394896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 163, 202, 240, 303, 326, 404, 489, 505, 606, 647, 652, 808, 815, 978, 1010, 1212, 1294, 1304, 1515, 1616, 1630, 1941, 1956, 2020, 2424, 2445, 2588, 2608, 3030, 3235, 3260, 3882, 3912, 4040, 4848, 4890, 5176, 6060, 6470, 6520, 7764, 7824, 8080, 9705, 9780, 10352, 12120, 12940, 13040, 15528, 16463, 19410, 19560, 24240, 25880, 31056, 32926, 38820, 39120, 49389, 51760, 65347, 65852, 77640, 82315, 98778, 105461, 130694, 131704, 155280, 164630, 196041, 197556, 210922, 246945, 261388, 263408, 316383, 326735, 329260, 392082, 395112, 421844, 493890, 522776, 527305, 632766, 653470, 658520, 784164, 790224, 843688, 980205, 987780, 1045552, 1054610, 1265532, 1306940, 1317040, 1568328, 1581915, 1687376, 1960410, 1975560, 2109220, 2531064, 2613880, 3136656, 3163830, 3920820, 3951120, 4218440, 5062128, 5227760, 6327660, 7841640, 8436880, 10651561, 12655320, 15683280, 21303122, 25310640, 31954683, 42606244, 53257805, 63909366, 85212488, 106515610, 127818732, 159773415, 170424976, 213031220, 255637464, 319546830, 426062440, 511274928, 639093660, 852124880, 1278187320, 2556374640]

約数ペア:

[(1, 2556374640), (2, 1278187320), (3, 852124880), (4, 639093660), (5, 511274928), (6, 426062440), (8, 319546830), (10, 255637464), (12, 213031220), (15, 170424976), (16, 159773415), (20, 127818732), (24, 106515610), (30, 85212488), (40, 63909366), (48, 53257805), (60, 42606244), (80, 31954683), (101, 25310640), (120, 21303122), (163, 15683280), (202, 12655320), (240, 10651561), (303, 8436880), (326, 7841640), (404, 6327660), (489, 5227760), (505, 5062128), (606, 4218440), (647, 3951120), (652, 3920820), (808, 3163830), (815, 3136656), (978, 2613880), (1010, 2531064), (1212, 2109220), (1294, 1975560), (1304, 1960410), (1515, 1687376), (1616, 1581915), (1630, 1568328), (1941, 1317040), (1956, 1306940), (2020, 1265532), (2424, 1054610), (2445, 1045552), (2588, 987780), (2608, 980205), (3030, 843688), (3235, 790224), (3260, 784164), (3882, 658520), (3912, 653470), (4040, 632766), (4848, 527305), (4890, 522776), (5176, 493890), (6060, 421844), (6470, 395112), (6520, 392082), (7764, 329260), (7824, 326735), (8080, 316383), (9705, 263408), (9780, 261388), (10352, 246945), (12120, 210922), (12940, 197556), (13040, 196041), (15528, 164630), (16463, 155280), (19410, 131704), (19560, 130694), (24240, 105461), (25880, 98778), (31056, 82315), (32926, 77640), (38820, 65852), (39120, 65347), (49389, 51760)]