28683760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 84851712

約数和(自身を除く): 56167952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 131, 136, 140, 161, 170, 184, 230, 238, 262, 272, 280, 322, 340, 368, 391, 460, 476, 524, 560, 595, 644, 655, 680, 782, 805, 917, 920, 952, 1048, 1190, 1288, 1310, 1360, 1564, 1610, 1834, 1840, 1904, 1955, 2096, 2227, 2380, 2576, 2620, 2737, 3013, 3128, 3220, 3668, 3910, 4454, 4585, 4760, 5240, 5474, 6026, 6256, 6440, 7336, 7820, 8908, 9170, 9520, 10480, 10948, 11135, 12052, 12880, 13685, 14672, 15065, 15589, 15640, 17816, 18340, 21091, 21896, 22270, 24104, 27370, 30130, 31178, 31280, 35632, 36680, 42182, 43792, 44540, 48208, 51221, 54740, 60260, 62356, 73360, 77945, 84364, 89080, 102442, 105455, 109480, 120520, 124712, 155890, 168728, 178160, 204884, 210910, 218960, 241040, 249424, 256105, 311780, 337456, 358547, 409768, 421820, 512210, 623560, 717094, 819536, 843640, 1024420, 1247120, 1434188, 1687280, 1792735, 2048840, 2868376, 3585470, 4097680, 5736752, 7170940, 14341880, 28683760]

約数ペア:

[(1, 28683760), (2, 14341880), (4, 7170940), (5, 5736752), (7, 4097680), (8, 3585470), (10, 2868376), (14, 2048840), (16, 1792735), (17, 1687280), (20, 1434188), (23, 1247120), (28, 1024420), (34, 843640), (35, 819536), (40, 717094), (46, 623560), (56, 512210), (68, 421820), (70, 409768), (80, 358547), (85, 337456), (92, 311780), (112, 256105), (115, 249424), (119, 241040), (131, 218960), (136, 210910), (140, 204884), (161, 178160), (170, 168728), (184, 155890), (230, 124712), (238, 120520), (262, 109480), (272, 105455), (280, 102442), (322, 89080), (340, 84364), (368, 77945), (391, 73360), (460, 62356), (476, 60260), (524, 54740), (560, 51221), (595, 48208), (644, 44540), (655, 43792), (680, 42182), (782, 36680), (805, 35632), (917, 31280), (920, 31178), (952, 30130), (1048, 27370), (1190, 24104), (1288, 22270), (1310, 21896), (1360, 21091), (1564, 18340), (1610, 17816), (1834, 15640), (1840, 15589), (1904, 15065), (1955, 14672), (2096, 13685), (2227, 12880), (2380, 12052), (2576, 11135), (2620, 10948), (2737, 10480), (3013, 9520), (3128, 9170), (3220, 8908), (3668, 7820), (3910, 7336), (4454, 6440), (4585, 6256), (4760, 6026), (5240, 5474)]