81979056

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 241703280

約数和(自身を除く): 159724224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 67, 72, 87, 116, 134, 144, 174, 201, 232, 261, 268, 293, 348, 402, 464, 522, 536, 586, 603, 696, 804, 879, 1044, 1072, 1172, 1206, 1392, 1608, 1758, 1943, 2088, 2344, 2412, 2637, 3216, 3516, 3886, 4176, 4688, 4824, 5274, 5829, 7032, 7772, 8497, 9648, 10548, 11658, 14064, 15544, 16994, 17487, 19631, 21096, 23316, 25491, 31088, 33988, 34974, 39262, 42192, 46632, 50982, 58893, 67976, 69948, 76473, 78524, 93264, 101964, 117786, 135952, 139896, 152946, 157048, 176679, 203928, 235572, 279792, 305892, 314096, 353358, 407856, 471144, 569299, 611784, 706716, 942288, 1138598, 1223568, 1413432, 1707897, 2277196, 2826864, 3415794, 4554392, 5123691, 6831588, 9108784, 10247382, 13663176, 20494764, 27326352, 40989528, 81979056]

約数ペア:

[(1, 81979056), (2, 40989528), (3, 27326352), (4, 20494764), (6, 13663176), (8, 10247382), (9, 9108784), (12, 6831588), (16, 5123691), (18, 4554392), (24, 3415794), (29, 2826864), (36, 2277196), (48, 1707897), (58, 1413432), (67, 1223568), (72, 1138598), (87, 942288), (116, 706716), (134, 611784), (144, 569299), (174, 471144), (201, 407856), (232, 353358), (261, 314096), (268, 305892), (293, 279792), (348, 235572), (402, 203928), (464, 176679), (522, 157048), (536, 152946), (586, 139896), (603, 135952), (696, 117786), (804, 101964), (879, 93264), (1044, 78524), (1072, 76473), (1172, 69948), (1206, 67976), (1392, 58893), (1608, 50982), (1758, 46632), (1943, 42192), (2088, 39262), (2344, 34974), (2412, 33988), (2637, 31088), (3216, 25491), (3516, 23316), (3886, 21096), (4176, 19631), (4688, 17487), (4824, 16994), (5274, 15544), (5829, 14064), (7032, 11658), (7772, 10548), (8497, 9648)]