1489703920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1682

約数の個数: 80

約数和(自身を含む): 3530086560

約数和(自身を除く): 2040382640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 157, 166, 314, 332, 415, 628, 664, 785, 830, 1256, 1328, 1429, 1570, 1660, 2512, 2858, 3140, 3320, 5716, 6280, 6640, 7145, 11432, 12560, 13031, 14290, 22864, 26062, 28580, 52124, 57160, 65155, 104248, 114320, 118607, 130310, 208496, 224353, 237214, 260620, 448706, 474428, 521240, 593035, 897412, 948856, 1042480, 1121765, 1186070, 1794824, 1897712, 2243530, 2372140, 3589648, 4487060, 4744280, 8974120, 9488560, 17948240, 18621299, 37242598, 74485196, 93106495, 148970392, 186212990, 297940784, 372425980, 744851960, 1489703920]

約数ペア:

[(1, 1489703920), (2, 744851960), (4, 372425980), (5, 297940784), (8, 186212990), (10, 148970392), (16, 93106495), (20, 74485196), (40, 37242598), (80, 18621299), (83, 17948240), (157, 9488560), (166, 8974120), (314, 4744280), (332, 4487060), (415, 3589648), (628, 2372140), (664, 2243530), (785, 1897712), (830, 1794824), (1256, 1186070), (1328, 1121765), (1429, 1042480), (1570, 948856), (1660, 897412), (2512, 593035), (2858, 521240), (3140, 474428), (3320, 448706), (5716, 260620), (6280, 237214), (6640, 224353), (7145, 208496), (11432, 130310), (12560, 118607), (13031, 114320), (14290, 104248), (22864, 65155), (26062, 57160), (28580, 52124)]