28930320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1789

約数の個数: 120

約数和(自身を含む): 101439936

約数和(自身を除く): 72509616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1747, 1840, 2070, 2760, 3312, 3494, 4140, 5241, 5520, 6988, 8280, 8735, 10482, 13976, 15723, 16560, 17470, 20964, 26205, 27952, 31446, 34940, 40181, 41928, 52410, 62892, 69880, 78615, 80362, 83856, 104820, 120543, 125784, 139760, 157230, 160724, 200905, 209640, 241086, 251568, 314460, 321448, 361629, 401810, 419280, 482172, 602715, 628920, 642896, 723258, 803620, 964344, 1205430, 1257840, 1446516, 1607240, 1808145, 1928688, 2410860, 2893032, 3214480, 3616290, 4821720, 5786064, 7232580, 9643440, 14465160, 28930320]

約数ペア:

[(1, 28930320), (2, 14465160), (3, 9643440), (4, 7232580), (5, 5786064), (6, 4821720), (8, 3616290), (9, 3214480), (10, 2893032), (12, 2410860), (15, 1928688), (16, 1808145), (18, 1607240), (20, 1446516), (23, 1257840), (24, 1205430), (30, 964344), (36, 803620), (40, 723258), (45, 642896), (46, 628920), (48, 602715), (60, 482172), (69, 419280), (72, 401810), (80, 361629), (90, 321448), (92, 314460), (115, 251568), (120, 241086), (138, 209640), (144, 200905), (180, 160724), (184, 157230), (207, 139760), (230, 125784), (240, 120543), (276, 104820), (345, 83856), (360, 80362), (368, 78615), (414, 69880), (460, 62892), (552, 52410), (690, 41928), (720, 40181), (828, 34940), (920, 31446), (1035, 27952), (1104, 26205), (1380, 20964), (1656, 17470), (1747, 16560), (1840, 15723), (2070, 13976), (2760, 10482), (3312, 8735), (3494, 8280), (4140, 6988), (5241, 5520)]