78890080

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 194050080

約数和(自身を除く): 115160000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 61, 80, 118, 122, 137, 160, 236, 244, 274, 295, 305, 472, 488, 548, 590, 610, 685, 944, 976, 1096, 1180, 1220, 1370, 1888, 1952, 2192, 2360, 2440, 2740, 3599, 4384, 4720, 4880, 5480, 7198, 8083, 8357, 9440, 9760, 10960, 14396, 16166, 16714, 17995, 21920, 28792, 32332, 33428, 35990, 40415, 41785, 57584, 64664, 66856, 71980, 80830, 83570, 115168, 129328, 133712, 143960, 161660, 167140, 258656, 267424, 287920, 323320, 334280, 493063, 575840, 646640, 668560, 986126, 1293280, 1337120, 1972252, 2465315, 3944504, 4930630, 7889008, 9861260, 15778016, 19722520, 39445040, 78890080]

約数ペア:

[(1, 78890080), (2, 39445040), (4, 19722520), (5, 15778016), (8, 9861260), (10, 7889008), (16, 4930630), (20, 3944504), (32, 2465315), (40, 1972252), (59, 1337120), (61, 1293280), (80, 986126), (118, 668560), (122, 646640), (137, 575840), (160, 493063), (236, 334280), (244, 323320), (274, 287920), (295, 267424), (305, 258656), (472, 167140), (488, 161660), (548, 143960), (590, 133712), (610, 129328), (685, 115168), (944, 83570), (976, 80830), (1096, 71980), (1180, 66856), (1220, 64664), (1370, 57584), (1888, 41785), (1952, 40415), (2192, 35990), (2360, 33428), (2440, 32332), (2740, 28792), (3599, 21920), (4384, 17995), (4720, 16714), (4880, 16166), (5480, 14396), (7198, 10960), (8083, 9760), (8357, 9440)]