81436824

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 263292120

約数和(自身を除く): 181855296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 164, 168, 196, 246, 252, 287, 294, 328, 369, 392, 441, 492, 504, 563, 574, 588, 738, 861, 882, 984, 1126, 1148, 1176, 1476, 1689, 1722, 1764, 2009, 2252, 2296, 2583, 2952, 3378, 3444, 3528, 3941, 4018, 4504, 5067, 5166, 6027, 6756, 6888, 7882, 8036, 10134, 10332, 11823, 12054, 13512, 15764, 16072, 18081, 20268, 20664, 23083, 23646, 24108, 27587, 31528, 35469, 36162, 40536, 46166, 47292, 48216, 55174, 69249, 70938, 72324, 82761, 92332, 94584, 110348, 138498, 141876, 144648, 161581, 165522, 184664, 207747, 220696, 248283, 276996, 283752, 323162, 331044, 415494, 484743, 496566, 553992, 646324, 662088, 830988, 969486, 993132, 1131067, 1292648, 1454229, 1661976, 1938972, 1986264, 2262134, 2908458, 3393201, 3877944, 4524268, 5816916, 6786402, 9048536, 10179603, 11633832, 13572804, 20359206, 27145608, 40718412, 81436824]

約数ペア:

[(1, 81436824), (2, 40718412), (3, 27145608), (4, 20359206), (6, 13572804), (7, 11633832), (8, 10179603), (9, 9048536), (12, 6786402), (14, 5816916), (18, 4524268), (21, 3877944), (24, 3393201), (28, 2908458), (36, 2262134), (41, 1986264), (42, 1938972), (49, 1661976), (56, 1454229), (63, 1292648), (72, 1131067), (82, 993132), (84, 969486), (98, 830988), (123, 662088), (126, 646324), (147, 553992), (164, 496566), (168, 484743), (196, 415494), (246, 331044), (252, 323162), (287, 283752), (294, 276996), (328, 248283), (369, 220696), (392, 207747), (441, 184664), (492, 165522), (504, 161581), (563, 144648), (574, 141876), (588, 138498), (738, 110348), (861, 94584), (882, 92332), (984, 82761), (1126, 72324), (1148, 70938), (1176, 69249), (1476, 55174), (1689, 48216), (1722, 47292), (1764, 46166), (2009, 40536), (2252, 36162), (2296, 35469), (2583, 31528), (2952, 27587), (3378, 24108), (3444, 23646), (3528, 23083), (3941, 20664), (4018, 20268), (4504, 18081), (5067, 16072), (5166, 15764), (6027, 13512), (6756, 12054), (6888, 11823), (7882, 10332), (8036, 10134)]