81211104

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 252252000

約数和(自身を除く): 171040896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 109, 117, 144, 156, 199, 208, 218, 234, 288, 312, 327, 398, 416, 436, 468, 597, 624, 654, 796, 872, 936, 981, 1194, 1248, 1308, 1417, 1592, 1744, 1791, 1872, 1962, 2388, 2587, 2616, 2834, 3184, 3488, 3582, 3744, 3924, 4251, 4776, 5174, 5232, 5668, 6368, 7164, 7761, 7848, 8502, 9552, 10348, 10464, 11336, 12753, 14328, 15522, 15696, 17004, 19104, 20696, 21691, 22672, 23283, 25506, 28656, 31044, 31392, 34008, 41392, 43382, 45344, 46566, 51012, 57312, 62088, 65073, 68016, 82784, 86764, 93132, 102024, 124176, 130146, 136032, 173528, 186264, 195219, 204048, 248352, 260292, 281983, 347056, 372528, 390438, 408096, 520584, 563966, 694112, 745056, 780876, 845949, 1041168, 1127932, 1561752, 1691898, 2082336, 2255864, 2537847, 3123504, 3383796, 4511728, 5075694, 6247008, 6767592, 9023456, 10151388, 13535184, 20302776, 27070368, 40605552, 81211104]

約数ペア:

[(1, 81211104), (2, 40605552), (3, 27070368), (4, 20302776), (6, 13535184), (8, 10151388), (9, 9023456), (12, 6767592), (13, 6247008), (16, 5075694), (18, 4511728), (24, 3383796), (26, 3123504), (32, 2537847), (36, 2255864), (39, 2082336), (48, 1691898), (52, 1561752), (72, 1127932), (78, 1041168), (96, 845949), (104, 780876), (109, 745056), (117, 694112), (144, 563966), (156, 520584), (199, 408096), (208, 390438), (218, 372528), (234, 347056), (288, 281983), (312, 260292), (327, 248352), (398, 204048), (416, 195219), (436, 186264), (468, 173528), (597, 136032), (624, 130146), (654, 124176), (796, 102024), (872, 93132), (936, 86764), (981, 82784), (1194, 68016), (1248, 65073), (1308, 62088), (1417, 57312), (1592, 51012), (1744, 46566), (1791, 45344), (1872, 43382), (1962, 41392), (2388, 34008), (2587, 31392), (2616, 31044), (2834, 28656), (3184, 25506), (3488, 23283), (3582, 22672), (3744, 21691), (3924, 20696), (4251, 19104), (4776, 17004), (5174, 15696), (5232, 15522), (5668, 14328), (6368, 12753), (7164, 11336), (7761, 10464), (7848, 10348), (8502, 9552)]