47920920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 151683840

約数和(自身を除く): 103762920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 251, 258, 296, 344, 370, 430, 444, 502, 516, 555, 645, 740, 753, 860, 888, 1004, 1032, 1110, 1255, 1290, 1480, 1506, 1591, 1720, 2008, 2220, 2510, 2580, 3012, 3182, 3765, 4440, 4773, 5020, 5160, 6024, 6364, 7530, 7955, 9287, 9546, 10040, 10793, 12728, 15060, 15910, 18574, 19092, 21586, 23865, 27861, 30120, 31820, 32379, 37148, 38184, 43172, 46435, 47730, 53965, 55722, 63640, 64758, 74296, 86344, 92870, 95460, 107930, 111444, 129516, 139305, 161895, 185740, 190920, 215860, 222888, 259032, 278610, 323790, 371480, 399341, 431720, 557220, 647580, 798682, 1114440, 1198023, 1295160, 1597364, 1996705, 2396046, 3194728, 3993410, 4792092, 5990115, 7986820, 9584184, 11980230, 15973640, 23960460, 47920920]

約数ペア:

[(1, 47920920), (2, 23960460), (3, 15973640), (4, 11980230), (5, 9584184), (6, 7986820), (8, 5990115), (10, 4792092), (12, 3993410), (15, 3194728), (20, 2396046), (24, 1996705), (30, 1597364), (37, 1295160), (40, 1198023), (43, 1114440), (60, 798682), (74, 647580), (86, 557220), (111, 431720), (120, 399341), (129, 371480), (148, 323790), (172, 278610), (185, 259032), (215, 222888), (222, 215860), (251, 190920), (258, 185740), (296, 161895), (344, 139305), (370, 129516), (430, 111444), (444, 107930), (502, 95460), (516, 92870), (555, 86344), (645, 74296), (740, 64758), (753, 63640), (860, 55722), (888, 53965), (1004, 47730), (1032, 46435), (1110, 43172), (1255, 38184), (1290, 37148), (1480, 32379), (1506, 31820), (1591, 30120), (1720, 27861), (2008, 23865), (2220, 21586), (2510, 19092), (2580, 18574), (3012, 15910), (3182, 15060), (3765, 12728), (4440, 10793), (4773, 10040), (5020, 9546), (5160, 9287), (6024, 7955), (6364, 7530)]