12256020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 43400448

約数和(自身を除く): 31144428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 137, 140, 142, 180, 210, 213, 252, 274, 284, 315, 355, 411, 420, 426, 497, 548, 630, 639, 685, 710, 822, 852, 959, 994, 1065, 1233, 1260, 1278, 1370, 1420, 1491, 1644, 1918, 1988, 2055, 2130, 2466, 2485, 2556, 2740, 2877, 2982, 3195, 3836, 4110, 4260, 4473, 4795, 4932, 4970, 5754, 5964, 6165, 6390, 7455, 8220, 8631, 8946, 9590, 9727, 9940, 11508, 12330, 12780, 14385, 14910, 17262, 17892, 19180, 19454, 22365, 24660, 28770, 29181, 29820, 34524, 38908, 43155, 44730, 48635, 57540, 58362, 68089, 86310, 87543, 89460, 97270, 116724, 136178, 145905, 172620, 175086, 194540, 204267, 272356, 291810, 340445, 350172, 408534, 437715, 583620, 612801, 680890, 817068, 875430, 1021335, 1225602, 1361780, 1750860, 2042670, 2451204, 3064005, 4085340, 6128010, 12256020]

約数ペア:

[(1, 12256020), (2, 6128010), (3, 4085340), (4, 3064005), (5, 2451204), (6, 2042670), (7, 1750860), (9, 1361780), (10, 1225602), (12, 1021335), (14, 875430), (15, 817068), (18, 680890), (20, 612801), (21, 583620), (28, 437715), (30, 408534), (35, 350172), (36, 340445), (42, 291810), (45, 272356), (60, 204267), (63, 194540), (70, 175086), (71, 172620), (84, 145905), (90, 136178), (105, 116724), (126, 97270), (137, 89460), (140, 87543), (142, 86310), (180, 68089), (210, 58362), (213, 57540), (252, 48635), (274, 44730), (284, 43155), (315, 38908), (355, 34524), (411, 29820), (420, 29181), (426, 28770), (497, 24660), (548, 22365), (630, 19454), (639, 19180), (685, 17892), (710, 17262), (822, 14910), (852, 14385), (959, 12780), (994, 12330), (1065, 11508), (1233, 9940), (1260, 9727), (1278, 9590), (1370, 8946), (1420, 8631), (1491, 8220), (1644, 7455), (1918, 6390), (1988, 6165), (2055, 5964), (2130, 5754), (2466, 4970), (2485, 4932), (2556, 4795), (2740, 4473), (2877, 4260), (2982, 4110), (3195, 3836)]