172781640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1196

約数の個数: 128

約数和(自身を含む): 580176000

約数和(自身を除く): 407394360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1019, 1080, 1256, 1413, 1570, 1884, 2038, 2355, 2826, 3057, 3140, 3768, 4076, 4239, 4710, 5095, 5652, 6114, 6280, 7065, 8152, 8478, 9171, 9420, 10190, 11304, 12228, 14130, 15285, 16956, 18342, 18840, 20380, 21195, 24456, 27513, 28260, 30570, 33912, 36684, 40760, 42390, 45855, 55026, 56520, 61140, 73368, 84780, 91710, 110052, 122280, 137565, 159983, 169560, 183420, 220104, 275130, 319966, 366840, 479949, 550260, 639932, 799915, 959898, 1100520, 1279864, 1439847, 1599830, 1919796, 2399745, 2879694, 3199660, 3839592, 4319541, 4799490, 5759388, 6399320, 7199235, 8639082, 9598980, 11518776, 14398470, 17278164, 19197960, 21597705, 28796940, 34556328, 43195410, 57593880, 86390820, 172781640]

約数ペア:

[(1, 172781640), (2, 86390820), (3, 57593880), (4, 43195410), (5, 34556328), (6, 28796940), (8, 21597705), (9, 19197960), (10, 17278164), (12, 14398470), (15, 11518776), (18, 9598980), (20, 8639082), (24, 7199235), (27, 6399320), (30, 5759388), (36, 4799490), (40, 4319541), (45, 3839592), (54, 3199660), (60, 2879694), (72, 2399745), (90, 1919796), (108, 1599830), (120, 1439847), (135, 1279864), (157, 1100520), (180, 959898), (216, 799915), (270, 639932), (314, 550260), (360, 479949), (471, 366840), (540, 319966), (628, 275130), (785, 220104), (942, 183420), (1019, 169560), (1080, 159983), (1256, 137565), (1413, 122280), (1570, 110052), (1884, 91710), (2038, 84780), (2355, 73368), (2826, 61140), (3057, 56520), (3140, 55026), (3768, 45855), (4076, 42390), (4239, 40760), (4710, 36684), (5095, 33912), (5652, 30570), (6114, 28260), (6280, 27513), (7065, 24456), (8152, 21195), (8478, 20380), (9171, 18840), (9420, 18342), (10190, 16956), (11304, 15285), (12228, 14130)]