28156920880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1\times {\mathrm{683}}^1$

素因数の和:1379

約数の個数: 160

約数和(自身を含む): 72548213760

約数和(自身を除く): 44391292880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 593, 632, 683, 790, 869, 880, 1186, 1264, 1366, 1580, 1738, 2372, 2732, 2965, 3160, 3415, 3476, 4345, 4744, 5464, 5930, 6320, 6523, 6830, 6952, 7513, 8690, 9488, 10928, 11860, 13046, 13660, 13904, 15026, 17380, 23720, 26092, 27320, 30052, 32615, 34760, 37565, 46847, 47440, 52184, 53957, 54640, 60104, 65230, 69520, 75130, 93694, 104368, 107914, 120208, 130460, 150260, 187388, 215828, 234235, 260920, 269785, 300520, 374776, 405019, 431656, 468470, 515317, 521840, 539570, 593527, 601040, 749552, 810038, 863312, 936940, 1030634, 1079140, 1187054, 1620076, 1873880, 2025095, 2061268, 2158280, 2374108, 2576585, 2967635, 3240152, 3747760, 4050190, 4122536, 4316560, 4455209, 4748216, 5153170, 5935270, 6480304, 8100380, 8245072, 8910418, 9496432, 10306340, 11870540, 16200760, 17820836, 20612680, 22276045, 23741080, 31996501, 32401520, 35641672, 41225360, 44552090, 47482160, 63993002, 71283344, 89104180, 127986004, 159982505, 178208360, 255972008, 319965010, 351961511, 356416720, 511944016, 639930020, 703923022, 1279860040, 1407846044, 1759807555, 2559720080, 2815692088, 3519615110, 5631384176, 7039230220, 14078460440, 28156920880]

約数ペア:

[(1, 28156920880), (2, 14078460440), (4, 7039230220), (5, 5631384176), (8, 3519615110), (10, 2815692088), (11, 2559720080), (16, 1759807555), (20, 1407846044), (22, 1279860040), (40, 703923022), (44, 639930020), (55, 511944016), (79, 356416720), (80, 351961511), (88, 319965010), (110, 255972008), (158, 178208360), (176, 159982505), (220, 127986004), (316, 89104180), (395, 71283344), (440, 63993002), (593, 47482160), (632, 44552090), (683, 41225360), (790, 35641672), (869, 32401520), (880, 31996501), (1186, 23741080), (1264, 22276045), (1366, 20612680), (1580, 17820836), (1738, 16200760), (2372, 11870540), (2732, 10306340), (2965, 9496432), (3160, 8910418), (3415, 8245072), (3476, 8100380), (4345, 6480304), (4744, 5935270), (5464, 5153170), (5930, 4748216), (6320, 4455209), (6523, 4316560), (6830, 4122536), (6952, 4050190), (7513, 3747760), (8690, 3240152), (9488, 2967635), (10928, 2576585), (11860, 2374108), (13046, 2158280), (13660, 2061268), (13904, 2025095), (15026, 1873880), (17380, 1620076), (23720, 1187054), (26092, 1079140), (27320, 1030634), (30052, 936940), (32615, 863312), (34760, 810038), (37565, 749552), (46847, 601040), (47440, 593527), (52184, 539570), (53957, 521840), (54640, 515317), (60104, 468470), (65230, 431656), (69520, 405019), (75130, 374776), (93694, 300520), (104368, 269785), (107914, 260920), (120208, 234235), (130460, 215828), (150260, 187388)]