81378648

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 247396800

約数和(自身を除く): 166018152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 73, 78, 104, 108, 117, 146, 156, 216, 219, 234, 292, 312, 351, 397, 438, 468, 584, 657, 702, 794, 876, 936, 949, 1191, 1314, 1404, 1588, 1752, 1898, 1971, 2382, 2628, 2808, 2847, 3176, 3573, 3796, 3942, 4764, 5161, 5256, 5694, 7146, 7592, 7884, 8541, 9528, 10322, 10719, 11388, 14292, 15483, 15768, 17082, 20644, 21438, 22776, 25623, 28584, 28981, 30966, 34164, 41288, 42876, 46449, 51246, 57962, 61932, 68328, 85752, 86943, 92898, 102492, 115924, 123864, 139347, 173886, 185796, 204984, 231848, 260829, 278694, 347772, 371592, 376753, 521658, 557388, 695544, 753506, 782487, 1043316, 1114776, 1130259, 1507012, 1564974, 2086632, 2260518, 3014024, 3129948, 3390777, 4521036, 6259896, 6781554, 9042072, 10172331, 13563108, 20344662, 27126216, 40689324, 81378648]

約数ペア:

[(1, 81378648), (2, 40689324), (3, 27126216), (4, 20344662), (6, 13563108), (8, 10172331), (9, 9042072), (12, 6781554), (13, 6259896), (18, 4521036), (24, 3390777), (26, 3129948), (27, 3014024), (36, 2260518), (39, 2086632), (52, 1564974), (54, 1507012), (72, 1130259), (73, 1114776), (78, 1043316), (104, 782487), (108, 753506), (117, 695544), (146, 557388), (156, 521658), (216, 376753), (219, 371592), (234, 347772), (292, 278694), (312, 260829), (351, 231848), (397, 204984), (438, 185796), (468, 173886), (584, 139347), (657, 123864), (702, 115924), (794, 102492), (876, 92898), (936, 86943), (949, 85752), (1191, 68328), (1314, 61932), (1404, 57962), (1588, 51246), (1752, 46449), (1898, 42876), (1971, 41288), (2382, 34164), (2628, 30966), (2808, 28981), (2847, 28584), (3176, 25623), (3573, 22776), (3796, 21438), (3942, 20644), (4764, 17082), (5161, 15768), (5256, 15483), (5694, 14292), (7146, 11388), (7592, 10719), (7884, 10322), (8541, 9528)]