519883520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 1356398400

約数和(自身を除く): 836514880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 157, 160, 199, 208, 256, 260, 314, 320, 398, 416, 520, 628, 640, 785, 796, 832, 995, 1040, 1256, 1280, 1570, 1592, 1664, 1990, 2041, 2080, 2512, 2587, 3140, 3184, 3328, 3980, 4082, 4160, 5024, 5174, 6280, 6368, 7960, 8164, 8320, 10048, 10205, 10348, 12560, 12736, 12935, 15920, 16328, 16640, 20096, 20410, 20696, 25120, 25472, 25870, 31243, 31840, 32656, 40192, 40820, 41392, 50240, 50944, 51740, 62486, 63680, 65312, 81640, 82784, 100480, 103480, 124972, 127360, 130624, 156215, 163280, 165568, 200960, 206960, 249944, 254720, 261248, 312430, 326560, 331136, 406159, 413920, 499888, 522496, 624860, 653120, 662272, 812318, 827840, 999776, 1249720, 1306240, 1624636, 1655680, 1999552, 2030795, 2499440, 2612480, 3249272, 3311360, 3999104, 4061590, 4998880, 6498544, 7998208, 8123180, 9997760, 12997088, 16246360, 19995520, 25994176, 32492720, 39991040, 51988352, 64985440, 103976704, 129970880, 259941760, 519883520]

約数ペア:

[(1, 519883520), (2, 259941760), (4, 129970880), (5, 103976704), (8, 64985440), (10, 51988352), (13, 39991040), (16, 32492720), (20, 25994176), (26, 19995520), (32, 16246360), (40, 12997088), (52, 9997760), (64, 8123180), (65, 7998208), (80, 6498544), (104, 4998880), (128, 4061590), (130, 3999104), (157, 3311360), (160, 3249272), (199, 2612480), (208, 2499440), (256, 2030795), (260, 1999552), (314, 1655680), (320, 1624636), (398, 1306240), (416, 1249720), (520, 999776), (628, 827840), (640, 812318), (785, 662272), (796, 653120), (832, 624860), (995, 522496), (1040, 499888), (1256, 413920), (1280, 406159), (1570, 331136), (1592, 326560), (1664, 312430), (1990, 261248), (2041, 254720), (2080, 249944), (2512, 206960), (2587, 200960), (3140, 165568), (3184, 163280), (3328, 156215), (3980, 130624), (4082, 127360), (4160, 124972), (5024, 103480), (5174, 100480), (6280, 82784), (6368, 81640), (7960, 65312), (8164, 63680), (8320, 62486), (10048, 51740), (10205, 50944), (10348, 50240), (12560, 41392), (12736, 40820), (12935, 40192), (15920, 32656), (16328, 31840), (16640, 31243), (20096, 25870), (20410, 25472), (20696, 25120)]