378881920

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2477}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 909921600

約数和(自身を除く): 531039680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 478, 640, 956, 1195, 1912, 2390, 2477, 3824, 4780, 4954, 7648, 9560, 9908, 12385, 15296, 19120, 19816, 24770, 30592, 38240, 39632, 49540, 76480, 79264, 99080, 152960, 158528, 198160, 317056, 396320, 592003, 792640, 1184006, 1585280, 2368012, 2960015, 4736024, 5920030, 9472048, 11840060, 18944096, 23680120, 37888192, 47360240, 75776384, 94720480, 189440960, 378881920]

約数ペア:

[(1, 378881920), (2, 189440960), (4, 94720480), (5, 75776384), (8, 47360240), (10, 37888192), (16, 23680120), (20, 18944096), (32, 11840060), (40, 9472048), (64, 5920030), (80, 4736024), (128, 2960015), (160, 2368012), (239, 1585280), (320, 1184006), (478, 792640), (640, 592003), (956, 396320), (1195, 317056), (1912, 198160), (2390, 158528), (2477, 152960), (3824, 99080), (4780, 79264), (4954, 76480), (7648, 49540), (9560, 39632), (9908, 38240), (12385, 30592), (15296, 24770), (19120, 19816)]