691567240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 1924392960

約数和(自身を除く): 1232825720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 313, 364, 455, 520, 607, 626, 728, 910, 1214, 1252, 1565, 1820, 2191, 2428, 2504, 3035, 3130, 3640, 4069, 4249, 4382, 4856, 6070, 6260, 7891, 8138, 8498, 8764, 10955, 12140, 12520, 15782, 16276, 16996, 17528, 20345, 21245, 21910, 24280, 28483, 31564, 32552, 33992, 39455, 40690, 42490, 43820, 55237, 56966, 63128, 78910, 81380, 84980, 87640, 110474, 113932, 142415, 157820, 162760, 169960, 189991, 220948, 227864, 276185, 284830, 315640, 379982, 441896, 552370, 569660, 759964, 949955, 1104740, 1139320, 1329937, 1519928, 1899910, 2209480, 2469883, 2659874, 3799820, 4939766, 5319748, 6649685, 7599640, 9879532, 10639496, 12349415, 13299370, 17289181, 19759064, 24698830, 26598740, 34578362, 49397660, 53197480, 69156724, 86445905, 98795320, 138313448, 172891810, 345783620, 691567240]

約数ペア:

[(1, 691567240), (2, 345783620), (4, 172891810), (5, 138313448), (7, 98795320), (8, 86445905), (10, 69156724), (13, 53197480), (14, 49397660), (20, 34578362), (26, 26598740), (28, 24698830), (35, 19759064), (40, 17289181), (52, 13299370), (56, 12349415), (65, 10639496), (70, 9879532), (91, 7599640), (104, 6649685), (130, 5319748), (140, 4939766), (182, 3799820), (260, 2659874), (280, 2469883), (313, 2209480), (364, 1899910), (455, 1519928), (520, 1329937), (607, 1139320), (626, 1104740), (728, 949955), (910, 759964), (1214, 569660), (1252, 552370), (1565, 441896), (1820, 379982), (2191, 315640), (2428, 284830), (2504, 276185), (3035, 227864), (3130, 220948), (3640, 189991), (4069, 169960), (4249, 162760), (4382, 157820), (4856, 142415), (6070, 113932), (6260, 110474), (7891, 87640), (8138, 84980), (8498, 81380), (8764, 78910), (10955, 63128), (12140, 56966), (12520, 55237), (15782, 43820), (16276, 42490), (16996, 40690), (17528, 39455), (20345, 33992), (21245, 32552), (21910, 31564), (24280, 28483)]