77920668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 236693184

約数和(自身を除く): 158772516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 61, 63, 74, 84, 111, 122, 126, 137, 148, 183, 222, 244, 252, 259, 274, 333, 366, 411, 427, 444, 518, 548, 549, 666, 732, 777, 822, 854, 959, 1036, 1098, 1233, 1281, 1332, 1554, 1644, 1708, 1918, 2196, 2257, 2331, 2466, 2562, 2877, 3108, 3836, 3843, 4514, 4662, 4932, 5069, 5124, 5754, 6771, 7686, 8357, 8631, 9028, 9324, 10138, 11508, 13542, 15207, 15372, 15799, 16714, 17262, 20276, 20313, 25071, 27084, 30414, 31598, 33428, 34524, 35483, 40626, 45621, 47397, 50142, 58499, 60828, 63196, 70966, 75213, 81252, 91242, 94794, 100284, 106449, 116998, 141932, 142191, 150426, 175497, 182484, 189588, 212898, 233996, 284382, 300852, 309209, 319347, 350994, 425796, 526491, 568764, 618418, 638694, 701988, 927627, 1052982, 1236836, 1277388, 1855254, 2105964, 2164463, 2782881, 3710508, 4328926, 5565762, 6493389, 8657852, 11131524, 12986778, 19480167, 25973556, 38960334, 77920668]

約数ペア:

[(1, 77920668), (2, 38960334), (3, 25973556), (4, 19480167), (6, 12986778), (7, 11131524), (9, 8657852), (12, 6493389), (14, 5565762), (18, 4328926), (21, 3710508), (28, 2782881), (36, 2164463), (37, 2105964), (42, 1855254), (61, 1277388), (63, 1236836), (74, 1052982), (84, 927627), (111, 701988), (122, 638694), (126, 618418), (137, 568764), (148, 526491), (183, 425796), (222, 350994), (244, 319347), (252, 309209), (259, 300852), (274, 284382), (333, 233996), (366, 212898), (411, 189588), (427, 182484), (444, 175497), (518, 150426), (548, 142191), (549, 141932), (666, 116998), (732, 106449), (777, 100284), (822, 94794), (854, 91242), (959, 81252), (1036, 75213), (1098, 70966), (1233, 63196), (1281, 60828), (1332, 58499), (1554, 50142), (1644, 47397), (1708, 45621), (1918, 40626), (2196, 35483), (2257, 34524), (2331, 33428), (2466, 31598), (2562, 30414), (2877, 27084), (3108, 25071), (3836, 20313), (3843, 20276), (4514, 17262), (4662, 16714), (4932, 15799), (5069, 15372), (5124, 15207), (5754, 13542), (6771, 11508), (7686, 10138), (8357, 9324), (8631, 9028)]