78605520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 282839040

約数和(自身を除く): 204233520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 659, 710, 840, 852, 994, 1065, 1136, 1318, 1420, 1491, 1680, 1704, 1977, 1988, 2130, 2485, 2636, 2840, 2982, 3295, 3408, 3954, 3976, 4260, 4613, 4970, 5272, 5680, 5964, 6590, 7455, 7908, 7952, 8520, 9226, 9885, 9940, 10544, 11928, 13180, 13839, 14910, 15816, 17040, 18452, 19770, 19880, 23065, 23856, 26360, 27678, 29820, 31632, 36904, 39540, 39760, 46130, 46789, 52720, 55356, 59640, 69195, 73808, 79080, 92260, 93578, 110712, 119280, 138390, 140367, 158160, 184520, 187156, 221424, 233945, 276780, 280734, 327523, 369040, 374312, 467890, 553560, 561468, 655046, 701835, 748624, 935780, 982569, 1107120, 1122936, 1310092, 1403670, 1637615, 1871560, 1965138, 2245872, 2620184, 2807340, 3275230, 3743120, 3930276, 4912845, 5240368, 5614680, 6550460, 7860552, 9825690, 11229360, 13100920, 15721104, 19651380, 26201840, 39302760, 78605520]

約数ペア:

[(1, 78605520), (2, 39302760), (3, 26201840), (4, 19651380), (5, 15721104), (6, 13100920), (7, 11229360), (8, 9825690), (10, 7860552), (12, 6550460), (14, 5614680), (15, 5240368), (16, 4912845), (20, 3930276), (21, 3743120), (24, 3275230), (28, 2807340), (30, 2620184), (35, 2245872), (40, 1965138), (42, 1871560), (48, 1637615), (56, 1403670), (60, 1310092), (70, 1122936), (71, 1107120), (80, 982569), (84, 935780), (105, 748624), (112, 701835), (120, 655046), (140, 561468), (142, 553560), (168, 467890), (210, 374312), (213, 369040), (240, 327523), (280, 280734), (284, 276780), (336, 233945), (355, 221424), (420, 187156), (426, 184520), (497, 158160), (560, 140367), (568, 138390), (659, 119280), (710, 110712), (840, 93578), (852, 92260), (994, 79080), (1065, 73808), (1136, 69195), (1318, 59640), (1420, 55356), (1491, 52720), (1680, 46789), (1704, 46130), (1977, 39760), (1988, 39540), (2130, 36904), (2485, 31632), (2636, 29820), (2840, 27678), (2982, 26360), (3295, 23856), (3408, 23065), (3954, 19880), (3976, 19770), (4260, 18452), (4613, 17040), (4970, 15816), (5272, 14910), (5680, 13839), (5964, 13180), (6590, 11928), (7455, 10544), (7908, 9940), (7952, 9885), (8520, 9226)]