78129160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 184913280

約数和(自身を除く): 106784120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 230, 326, 460, 521, 652, 815, 920, 1042, 1304, 1630, 2084, 2605, 3260, 3749, 4168, 5210, 6520, 7498, 10420, 11983, 14996, 18745, 20840, 23966, 29992, 37490, 47932, 59915, 74980, 84923, 95864, 119830, 149960, 169846, 239660, 339692, 424615, 479320, 679384, 849230, 1698460, 1953229, 3396920, 3906458, 7812916, 9766145, 15625832, 19532290, 39064580, 78129160]

約数ペア:

[(1, 78129160), (2, 39064580), (4, 19532290), (5, 15625832), (8, 9766145), (10, 7812916), (20, 3906458), (23, 3396920), (40, 1953229), (46, 1698460), (92, 849230), (115, 679384), (163, 479320), (184, 424615), (230, 339692), (326, 239660), (460, 169846), (521, 149960), (652, 119830), (815, 95864), (920, 84923), (1042, 74980), (1304, 59915), (1630, 47932), (2084, 37490), (2605, 29992), (3260, 23966), (3749, 20840), (4168, 18745), (5210, 14996), (6520, 11983), (7498, 10420)]