1520447320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 4023613440

約数和(自身を除く): 2503166120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 293, 301, 344, 430, 431, 586, 602, 860, 862, 1172, 1204, 1465, 1505, 1720, 1724, 2051, 2155, 2344, 2408, 2930, 3010, 3017, 3448, 4102, 4310, 5860, 6020, 6034, 8204, 8620, 10255, 11720, 12040, 12068, 12599, 15085, 16408, 17240, 18533, 20510, 24136, 25198, 30170, 37066, 41020, 50396, 60340, 62995, 74132, 82040, 88193, 92665, 100792, 120680, 125990, 126283, 129731, 148264, 176386, 185330, 251980, 252566, 259462, 352772, 370660, 440965, 503960, 505132, 518924, 631415, 648655, 705544, 741320, 881930, 883981, 1010264, 1037848, 1262830, 1297310, 1763860, 1767962, 2525660, 2594620, 3527720, 3535924, 4419905, 5051320, 5189240, 5430169, 7071848, 8839810, 10860338, 17679620, 21720676, 27150845, 35359240, 38011183, 43441352, 54301690, 76022366, 108603380, 152044732, 190055915, 217206760, 304089464, 380111830, 760223660, 1520447320]

約数ペア:

[(1, 1520447320), (2, 760223660), (4, 380111830), (5, 304089464), (7, 217206760), (8, 190055915), (10, 152044732), (14, 108603380), (20, 76022366), (28, 54301690), (35, 43441352), (40, 38011183), (43, 35359240), (56, 27150845), (70, 21720676), (86, 17679620), (140, 10860338), (172, 8839810), (215, 7071848), (280, 5430169), (293, 5189240), (301, 5051320), (344, 4419905), (430, 3535924), (431, 3527720), (586, 2594620), (602, 2525660), (860, 1767962), (862, 1763860), (1172, 1297310), (1204, 1262830), (1465, 1037848), (1505, 1010264), (1720, 883981), (1724, 881930), (2051, 741320), (2155, 705544), (2344, 648655), (2408, 631415), (2930, 518924), (3010, 505132), (3017, 503960), (3448, 440965), (4102, 370660), (4310, 352772), (5860, 259462), (6020, 252566), (6034, 251980), (8204, 185330), (8620, 176386), (10255, 148264), (11720, 129731), (12040, 126283), (12068, 125990), (12599, 120680), (15085, 100792), (16408, 92665), (17240, 88193), (18533, 82040), (20510, 74132), (24136, 62995), (25198, 60340), (30170, 50396), (37066, 41020)]