128420964

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{8089}}^1$

素因数の和:8119

約数の個数: 90

約数和(自身を含む): 390577110

約数和(自身を除く): 262156146

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 8089, 15876, 16178, 24267, 32356, 48534, 56623, 72801, 97068, 113246, 145602, 169869, 218403, 226492, 291204, 339738, 396361, 436806, 509607, 655209, 679476, 792722, 873612, 1019214, 1189083, 1310418, 1528821, 1585444, 2038428, 2378166, 2620836, 3057642, 3567249, 4586463, 4756332, 6115284, 7134498, 9172926, 10701747, 14268996, 18345852, 21403494, 32105241, 42806988, 64210482, 128420964]

約数ペア:

[(1, 128420964), (2, 64210482), (3, 42806988), (4, 32105241), (6, 21403494), (7, 18345852), (9, 14268996), (12, 10701747), (14, 9172926), (18, 7134498), (21, 6115284), (27, 4756332), (28, 4586463), (36, 3567249), (42, 3057642), (49, 2620836), (54, 2378166), (63, 2038428), (81, 1585444), (84, 1528821), (98, 1310418), (108, 1189083), (126, 1019214), (147, 873612), (162, 792722), (189, 679476), (196, 655209), (252, 509607), (294, 436806), (324, 396361), (378, 339738), (441, 291204), (567, 226492), (588, 218403), (756, 169869), (882, 145602), (1134, 113246), (1323, 97068), (1764, 72801), (2268, 56623), (2646, 48534), (3969, 32356), (5292, 24267), (7938, 16178), (8089, 15876)]