257996480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:946

約数の個数: 112

約数和(自身を含む): 707745600

約数和(自身を除く): 449749120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 149, 160, 224, 280, 298, 320, 448, 560, 596, 745, 773, 1043, 1120, 1192, 1490, 1546, 2086, 2240, 2384, 2980, 3092, 3865, 4172, 4768, 5215, 5411, 5960, 6184, 7730, 8344, 9536, 10430, 10822, 11920, 12368, 15460, 16688, 20860, 21644, 23840, 24736, 27055, 30920, 33376, 41720, 43288, 47680, 49472, 54110, 61840, 66752, 83440, 86576, 108220, 115177, 123680, 166880, 173152, 216440, 230354, 247360, 333760, 346304, 432880, 460708, 575885, 806239, 865760, 921416, 1151770, 1612478, 1731520, 1842832, 2303540, 3224956, 3685664, 4031195, 4607080, 6449912, 7371328, 8062390, 9214160, 12899824, 16124780, 18428320, 25799648, 32249560, 36856640, 51599296, 64499120, 128998240, 257996480]

約数ペア:

[(1, 257996480), (2, 128998240), (4, 64499120), (5, 51599296), (7, 36856640), (8, 32249560), (10, 25799648), (14, 18428320), (16, 16124780), (20, 12899824), (28, 9214160), (32, 8062390), (35, 7371328), (40, 6449912), (56, 4607080), (64, 4031195), (70, 3685664), (80, 3224956), (112, 2303540), (140, 1842832), (149, 1731520), (160, 1612478), (224, 1151770), (280, 921416), (298, 865760), (320, 806239), (448, 575885), (560, 460708), (596, 432880), (745, 346304), (773, 333760), (1043, 247360), (1120, 230354), (1192, 216440), (1490, 173152), (1546, 166880), (2086, 123680), (2240, 115177), (2384, 108220), (2980, 86576), (3092, 83440), (3865, 66752), (4172, 61840), (4768, 54110), (5215, 49472), (5411, 47680), (5960, 43288), (6184, 41720), (7730, 33376), (8344, 30920), (9536, 27055), (10430, 24736), (10822, 23840), (11920, 21644), (12368, 20860), (15460, 16688)]