172963260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 547921920

約数和(自身を除く): 374958660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 139, 155, 180, 186, 223, 278, 279, 310, 372, 417, 446, 465, 556, 558, 620, 669, 695, 834, 892, 930, 1115, 1116, 1251, 1338, 1390, 1395, 1668, 1860, 2007, 2085, 2230, 2502, 2676, 2780, 2790, 3345, 4014, 4170, 4309, 4460, 5004, 5580, 6255, 6690, 6913, 8028, 8340, 8618, 10035, 12510, 12927, 13380, 13826, 17236, 20070, 20739, 21545, 25020, 25854, 27652, 30997, 34565, 38781, 40140, 41478, 43090, 51708, 61994, 62217, 64635, 69130, 77562, 82956, 86180, 92991, 103695, 123988, 124434, 129270, 138260, 154985, 155124, 185982, 193905, 207390, 248868, 258540, 278973, 309970, 311085, 371964, 387810, 414780, 464955, 557946, 619940, 622170, 775620, 929910, 960907, 1115892, 1244340, 1394865, 1859820, 1921814, 2789730, 2882721, 3843628, 4804535, 5579460, 5765442, 8648163, 9609070, 11530884, 14413605, 17296326, 19218140, 28827210, 34592652, 43240815, 57654420, 86481630, 172963260]

約数ペア:

[(1, 172963260), (2, 86481630), (3, 57654420), (4, 43240815), (5, 34592652), (6, 28827210), (9, 19218140), (10, 17296326), (12, 14413605), (15, 11530884), (18, 9609070), (20, 8648163), (30, 5765442), (31, 5579460), (36, 4804535), (45, 3843628), (60, 2882721), (62, 2789730), (90, 1921814), (93, 1859820), (124, 1394865), (139, 1244340), (155, 1115892), (180, 960907), (186, 929910), (223, 775620), (278, 622170), (279, 619940), (310, 557946), (372, 464955), (417, 414780), (446, 387810), (465, 371964), (556, 311085), (558, 309970), (620, 278973), (669, 258540), (695, 248868), (834, 207390), (892, 193905), (930, 185982), (1115, 155124), (1116, 154985), (1251, 138260), (1338, 129270), (1390, 124434), (1395, 123988), (1668, 103695), (1860, 92991), (2007, 86180), (2085, 82956), (2230, 77562), (2502, 69130), (2676, 64635), (2780, 62217), (2790, 61994), (3345, 51708), (4014, 43090), (4170, 41478), (4309, 40140), (4460, 38781), (5004, 34565), (5580, 30997), (6255, 27652), (6690, 25854), (6913, 25020), (8028, 21545), (8340, 20739), (8618, 20070), (10035, 17236), (12510, 13826), (12927, 13380)]