642757264

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 1335628800

約数和(自身を除く): 692871536

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 131, 134, 184, 199, 262, 268, 368, 398, 524, 536, 796, 1048, 1072, 1541, 1592, 2096, 3013, 3082, 3184, 4577, 6026, 6164, 8777, 9154, 12052, 12328, 13333, 17554, 18308, 24104, 24656, 26069, 26666, 35108, 36616, 48208, 52138, 53332, 70216, 73232, 104276, 106664, 140432, 201871, 208552, 213328, 306659, 403742, 417104, 599587, 613318, 807484, 1199174, 1226636, 1614968, 1746623, 2398348, 2453272, 3229936, 3493246, 4796696, 4906544, 6986492, 9593392, 13972984, 27945968, 40172329, 80344658, 160689316, 321378632, 642757264]

約数ペア:

[(1, 642757264), (2, 321378632), (4, 160689316), (8, 80344658), (16, 40172329), (23, 27945968), (46, 13972984), (67, 9593392), (92, 6986492), (131, 4906544), (134, 4796696), (184, 3493246), (199, 3229936), (262, 2453272), (268, 2398348), (368, 1746623), (398, 1614968), (524, 1226636), (536, 1199174), (796, 807484), (1048, 613318), (1072, 599587), (1541, 417104), (1592, 403742), (2096, 306659), (3013, 213328), (3082, 208552), (3184, 201871), (4577, 140432), (6026, 106664), (6164, 104276), (8777, 73232), (9154, 70216), (12052, 53332), (12328, 52138), (13333, 48208), (17554, 36616), (18308, 35108), (24104, 26666), (24656, 26069)]