208728360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1408

約数の個数: 128

約数和(自身を含む): 700761600

約数和(自身を除く): 492033240

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, 1080, 1231, 1256, 1413, 1570, 1884, 2355, 2462, 2826, 3140, 3693, 3768, 4239, 4710, 4924, 5652, 6155, 6280, 7065, 7386, 8478, 9420, 9848, 11079, 11304, 12310, 14130, 14772, 16956, 18465, 18840, 21195, 22158, 24620, 28260, 29544, 33237, 33912, 36930, 42390, 44316, 49240, 55395, 56520, 66474, 73860, 84780, 88632, 110790, 132948, 147720, 166185, 169560, 193267, 221580, 265896, 332370, 386534, 443160, 579801, 664740, 773068, 966335, 1159602, 1329480, 1546136, 1739403, 1932670, 2319204, 2899005, 3478806, 3865340, 4638408, 5218209, 5798010, 6957612, 7730680, 8697015, 10436418, 11596020, 13915224, 17394030, 20872836, 23192040, 26091045, 34788060, 41745672, 52182090, 69576120, 104364180, 208728360]

約数ペア:

[(1, 208728360), (2, 104364180), (3, 69576120), (4, 52182090), (5, 41745672), (6, 34788060), (8, 26091045), (9, 23192040), (10, 20872836), (12, 17394030), (15, 13915224), (18, 11596020), (20, 10436418), (24, 8697015), (27, 7730680), (30, 6957612), (36, 5798010), (40, 5218209), (45, 4638408), (54, 3865340), (60, 3478806), (72, 2899005), (90, 2319204), (108, 1932670), (120, 1739403), (135, 1546136), (157, 1329480), (180, 1159602), (216, 966335), (270, 773068), (314, 664740), (360, 579801), (471, 443160), (540, 386534), (628, 332370), (785, 265896), (942, 221580), (1080, 193267), (1231, 169560), (1256, 166185), (1413, 147720), (1570, 132948), (1884, 110790), (2355, 88632), (2462, 84780), (2826, 73860), (3140, 66474), (3693, 56520), (3768, 55395), (4239, 49240), (4710, 44316), (4924, 42390), (5652, 36930), (6155, 33912), (6280, 33237), (7065, 29544), (7386, 28260), (8478, 24620), (9420, 22158), (9848, 21195), (11079, 18840), (11304, 18465), (12310, 16956), (14130, 14772)]