281358560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1348

約数の個数: 96

約数和(自身を含む): 763680960

約数和(自身を除く): 482322400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 229, 280, 458, 560, 916, 1097, 1120, 1145, 1603, 1832, 2194, 2290, 3206, 3664, 4388, 4580, 5485, 6412, 7328, 7679, 8015, 8776, 9160, 10970, 12824, 15358, 16030, 17552, 18320, 21940, 25648, 30716, 32060, 35104, 36640, 38395, 43880, 51296, 61432, 64120, 76790, 87760, 122864, 128240, 153580, 175520, 245728, 251213, 256480, 307160, 502426, 614320, 1004852, 1228640, 1256065, 1758491, 2009704, 2512130, 3516982, 4019408, 5024260, 7033964, 8038816, 8792455, 10048520, 14067928, 17584910, 20097040, 28135856, 35169820, 40194080, 56271712, 70339640, 140679280, 281358560]

約数ペア:

[(1, 281358560), (2, 140679280), (4, 70339640), (5, 56271712), (7, 40194080), (8, 35169820), (10, 28135856), (14, 20097040), (16, 17584910), (20, 14067928), (28, 10048520), (32, 8792455), (35, 8038816), (40, 7033964), (56, 5024260), (70, 4019408), (80, 3516982), (112, 2512130), (140, 2009704), (160, 1758491), (224, 1256065), (229, 1228640), (280, 1004852), (458, 614320), (560, 502426), (916, 307160), (1097, 256480), (1120, 251213), (1145, 245728), (1603, 175520), (1832, 153580), (2194, 128240), (2290, 122864), (3206, 87760), (3664, 76790), (4388, 64120), (4580, 61432), (5485, 51296), (6412, 43880), (7328, 38395), (7679, 36640), (8015, 35104), (8776, 32060), (9160, 30716), (10970, 25648), (12824, 21940), (15358, 18320), (16030, 17552)]