256138470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2297}}^1$

素因数の和:2379

約数の個数: 128

約数和(自身を含む): 794188800

約数和(自身を除く): 538050330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 59, 63, 70, 90, 105, 118, 126, 135, 177, 189, 210, 270, 295, 315, 354, 378, 413, 531, 590, 630, 826, 885, 945, 1062, 1239, 1593, 1770, 1890, 2065, 2297, 2478, 2655, 3186, 3717, 4130, 4594, 5310, 6195, 6891, 7434, 7965, 11151, 11485, 12390, 13782, 15930, 16079, 18585, 20673, 22302, 22970, 32158, 34455, 37170, 41346, 48237, 55755, 62019, 68910, 80395, 96474, 103365, 111510, 124038, 135523, 144711, 160790, 206730, 241185, 271046, 289422, 310095, 406569, 434133, 482370, 620190, 677615, 723555, 813138, 868266, 948661, 1219707, 1355230, 1447110, 1897322, 2032845, 2170665, 2439414, 2845983, 3659121, 4065690, 4341330, 4743305, 5691966, 6098535, 7318242, 8537949, 9486610, 12197070, 14229915, 17075898, 18295605, 25613847, 28459830, 36591210, 42689745, 51227694, 85379490, 128069235, 256138470]

約数ペア:

[(1, 256138470), (2, 128069235), (3, 85379490), (5, 51227694), (6, 42689745), (7, 36591210), (9, 28459830), (10, 25613847), (14, 18295605), (15, 17075898), (18, 14229915), (21, 12197070), (27, 9486610), (30, 8537949), (35, 7318242), (42, 6098535), (45, 5691966), (54, 4743305), (59, 4341330), (63, 4065690), (70, 3659121), (90, 2845983), (105, 2439414), (118, 2170665), (126, 2032845), (135, 1897322), (177, 1447110), (189, 1355230), (210, 1219707), (270, 948661), (295, 868266), (315, 813138), (354, 723555), (378, 677615), (413, 620190), (531, 482370), (590, 434133), (630, 406569), (826, 310095), (885, 289422), (945, 271046), (1062, 241185), (1239, 206730), (1593, 160790), (1770, 144711), (1890, 135523), (2065, 124038), (2297, 111510), (2478, 103365), (2655, 96474), (3186, 80395), (3717, 68910), (4130, 62019), (4594, 55755), (5310, 48237), (6195, 41346), (6891, 37170), (7434, 34455), (7965, 32158), (11151, 22970), (11485, 22302), (12390, 20673), (13782, 18585), (15930, 16079)]