261671496

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 721612800

約数和(自身を除く): 459941304

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 107, 114, 124, 152, 173, 186, 214, 228, 248, 321, 346, 372, 428, 456, 519, 589, 642, 692, 744, 856, 1038, 1178, 1284, 1384, 1767, 2033, 2076, 2356, 2568, 3287, 3317, 3534, 4066, 4152, 4712, 5363, 6099, 6574, 6634, 7068, 8132, 9861, 9951, 10726, 12198, 13148, 13268, 14136, 16089, 16264, 18511, 19722, 19902, 21452, 24396, 26296, 26536, 32178, 37022, 39444, 39804, 42904, 48792, 55533, 63023, 64356, 74044, 78888, 79608, 101897, 111066, 126046, 128712, 148088, 189069, 203794, 222132, 252092, 305691, 351709, 378138, 407588, 444264, 504184, 573841, 611382, 703418, 756276, 815176, 1055127, 1147682, 1222764, 1406836, 1512552, 1721523, 2110254, 2295364, 2445528, 2813672, 3443046, 4220508, 4590728, 6886092, 8441016, 10902979, 13772184, 21805958, 32708937, 43611916, 65417874, 87223832, 130835748, 261671496]

約数ペア:

[(1, 261671496), (2, 130835748), (3, 87223832), (4, 65417874), (6, 43611916), (8, 32708937), (12, 21805958), (19, 13772184), (24, 10902979), (31, 8441016), (38, 6886092), (57, 4590728), (62, 4220508), (76, 3443046), (93, 2813672), (107, 2445528), (114, 2295364), (124, 2110254), (152, 1721523), (173, 1512552), (186, 1406836), (214, 1222764), (228, 1147682), (248, 1055127), (321, 815176), (346, 756276), (372, 703418), (428, 611382), (456, 573841), (519, 504184), (589, 444264), (642, 407588), (692, 378138), (744, 351709), (856, 305691), (1038, 252092), (1178, 222132), (1284, 203794), (1384, 189069), (1767, 148088), (2033, 128712), (2076, 126046), (2356, 111066), (2568, 101897), (3287, 79608), (3317, 78888), (3534, 74044), (4066, 64356), (4152, 63023), (4712, 55533), (5363, 48792), (6099, 42904), (6574, 39804), (6634, 39444), (7068, 37022), (8132, 32178), (9861, 26536), (9951, 26296), (10726, 24396), (12198, 21452), (13148, 19902), (13268, 19722), (14136, 18511), (16089, 16264)]