645792

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 2001888

約数和(自身を除く): 1356096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 961, 992, 1302, 1488, 1736, 1922, 2604, 2883, 2976, 3472, 3844, 5208, 5766, 6727, 6944, 7688, 10416, 11532, 13454, 15376, 20181, 20832, 23064, 26908, 30752, 40362, 46128, 53816, 80724, 92256, 107632, 161448, 215264, 322896, 645792]

約数ペア:

[(1, 645792), (2, 322896), (3, 215264), (4, 161448), (6, 107632), (7, 92256), (8, 80724), (12, 53816), (14, 46128), (16, 40362), (21, 30752), (24, 26908), (28, 23064), (31, 20832), (32, 20181), (42, 15376), (48, 13454), (56, 11532), (62, 10416), (84, 7688), (93, 6944), (96, 6727), (112, 5766), (124, 5208), (168, 3844), (186, 3472), (217, 2976), (224, 2883), (248, 2604), (336, 1922), (372, 1736), (434, 1488), (496, 1302), (651, 992), (672, 961), (744, 868)]