163969960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 300516440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 220, 278, 280, 308, 383, 385, 440, 556, 616, 695, 766, 770, 973, 1112, 1390, 1529, 1532, 1540, 1915, 1946, 2681, 2780, 3058, 3064, 3080, 3830, 3892, 4213, 4865, 5362, 5560, 6116, 7645, 7660, 7784, 8426, 9730, 10703, 10724, 12232, 13405, 15290, 15320, 16852, 19460, 21065, 21406, 21448, 26810, 29491, 30580, 33704, 38920, 42130, 42812, 53237, 53515, 53620, 58982, 61160, 84260, 85624, 106474, 107030, 107240, 117964, 147455, 168520, 212948, 214060, 235928, 266185, 294910, 372659, 425896, 428120, 532370, 585607, 589820, 745318, 1064740, 1171214, 1179640, 1490636, 1863295, 2129480, 2342428, 2928035, 2981272, 3726590, 4099249, 4684856, 5856070, 7453180, 8198498, 11712140, 14906360, 16396996, 20496245, 23424280, 32793992, 40992490, 81984980, 163969960]

約数ペア:

[(1, 163969960), (2, 81984980), (4, 40992490), (5, 32793992), (7, 23424280), (8, 20496245), (10, 16396996), (11, 14906360), (14, 11712140), (20, 8198498), (22, 7453180), (28, 5856070), (35, 4684856), (40, 4099249), (44, 3726590), (55, 2981272), (56, 2928035), (70, 2342428), (77, 2129480), (88, 1863295), (110, 1490636), (139, 1179640), (140, 1171214), (154, 1064740), (220, 745318), (278, 589820), (280, 585607), (308, 532370), (383, 428120), (385, 425896), (440, 372659), (556, 294910), (616, 266185), (695, 235928), (766, 214060), (770, 212948), (973, 168520), (1112, 147455), (1390, 117964), (1529, 107240), (1532, 107030), (1540, 106474), (1915, 85624), (1946, 84260), (2681, 61160), (2780, 58982), (3058, 53620), (3064, 53515), (3080, 53237), (3830, 42812), (3892, 42130), (4213, 38920), (4865, 33704), (5362, 30580), (5560, 29491), (6116, 26810), (7645, 21448), (7660, 21406), (7784, 21065), (8426, 19460), (9730, 16852), (10703, 15320), (10724, 15290), (12232, 13405)]