164278380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 543303936

約数和(自身を除く): 379025556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 710, 735, 787, 852, 980, 994, 1065, 1420, 1470, 1491, 1574, 1988, 2130, 2361, 2485, 2940, 2982, 3148, 3479, 3935, 4260, 4722, 4970, 5509, 5964, 6958, 7455, 7870, 9444, 9940, 10437, 11018, 11805, 13916, 14910, 15740, 16527, 17395, 20874, 22036, 23610, 27545, 29820, 33054, 34790, 38563, 41748, 47220, 52185, 55090, 55877, 66108, 69580, 77126, 82635, 104370, 110180, 111754, 115689, 154252, 165270, 167631, 192815, 208740, 223508, 231378, 279385, 330540, 335262, 385630, 391139, 462756, 558770, 578445, 670524, 771260, 782278, 838155, 1117540, 1156890, 1173417, 1564556, 1676310, 1955695, 2313780, 2346834, 2737973, 3352620, 3911390, 4693668, 5475946, 5867085, 7822780, 8213919, 10951892, 11734170, 13689865, 16427838, 23468340, 27379730, 32855676, 41069595, 54759460, 82139190, 164278380]

約数ペア:

[(1, 164278380), (2, 82139190), (3, 54759460), (4, 41069595), (5, 32855676), (6, 27379730), (7, 23468340), (10, 16427838), (12, 13689865), (14, 11734170), (15, 10951892), (20, 8213919), (21, 7822780), (28, 5867085), (30, 5475946), (35, 4693668), (42, 3911390), (49, 3352620), (60, 2737973), (70, 2346834), (71, 2313780), (84, 1955695), (98, 1676310), (105, 1564556), (140, 1173417), (142, 1156890), (147, 1117540), (196, 838155), (210, 782278), (213, 771260), (245, 670524), (284, 578445), (294, 558770), (355, 462756), (420, 391139), (426, 385630), (490, 335262), (497, 330540), (588, 279385), (710, 231378), (735, 223508), (787, 208740), (852, 192815), (980, 167631), (994, 165270), (1065, 154252), (1420, 115689), (1470, 111754), (1491, 110180), (1574, 104370), (1988, 82635), (2130, 77126), (2361, 69580), (2485, 66108), (2940, 55877), (2982, 55090), (3148, 52185), (3479, 47220), (3935, 41748), (4260, 38563), (4722, 34790), (4970, 33054), (5509, 29820), (5964, 27545), (6958, 23610), (7455, 22036), (7870, 20874), (9444, 17395), (9940, 16527), (10437, 15740), (11018, 14910), (11805, 13916)]