197721360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{883}}^1$

素因数の和:1213

約数の個数: 120

約数和(自身を含む): 666903744

約数和(自身を除く): 469182384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 311, 360, 622, 720, 883, 933, 1244, 1555, 1766, 1866, 2488, 2649, 2799, 3110, 3532, 3732, 4415, 4665, 4976, 5298, 5598, 6220, 7064, 7464, 7947, 8830, 9330, 10596, 11196, 12440, 13245, 13995, 14128, 14928, 15894, 17660, 18660, 21192, 22392, 24880, 26490, 27990, 31788, 35320, 37320, 39735, 42384, 44784, 52980, 55980, 63576, 70640, 74640, 79470, 105960, 111960, 127152, 158940, 211920, 223920, 274613, 317880, 549226, 635760, 823839, 1098452, 1373065, 1647678, 2196904, 2471517, 2746130, 3295356, 4119195, 4393808, 4943034, 5492260, 6590712, 8238390, 9886068, 10984520, 12357585, 13181424, 16476780, 19772136, 21969040, 24715170, 32953560, 39544272, 49430340, 65907120, 98860680, 197721360]

約数ペア:

[(1, 197721360), (2, 98860680), (3, 65907120), (4, 49430340), (5, 39544272), (6, 32953560), (8, 24715170), (9, 21969040), (10, 19772136), (12, 16476780), (15, 13181424), (16, 12357585), (18, 10984520), (20, 9886068), (24, 8238390), (30, 6590712), (36, 5492260), (40, 4943034), (45, 4393808), (48, 4119195), (60, 3295356), (72, 2746130), (80, 2471517), (90, 2196904), (120, 1647678), (144, 1373065), (180, 1098452), (240, 823839), (311, 635760), (360, 549226), (622, 317880), (720, 274613), (883, 223920), (933, 211920), (1244, 158940), (1555, 127152), (1766, 111960), (1866, 105960), (2488, 79470), (2649, 74640), (2799, 70640), (3110, 63576), (3532, 55980), (3732, 52980), (4415, 44784), (4665, 42384), (4976, 39735), (5298, 37320), (5598, 35320), (6220, 31788), (7064, 27990), (7464, 26490), (7947, 24880), (8830, 22392), (9330, 21192), (10596, 18660), (11196, 17660), (12440, 15894), (13245, 14928), (13995, 14128)]