381041640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{21601}}^1$

素因数の和:21632

約数の個数: 144

約数和(自身を含む): 1440637380

約数和(自身を除く): 1059595740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 21601, 43202, 64803, 86404, 108005, 129606, 151207, 172808, 194409, 216010, 259212, 302414, 324015, 388818, 432020, 453621, 518424, 604828, 648030, 756035, 777636, 864040, 907242, 972045, 1058449, 1209656, 1296060, 1360863, 1512070, 1555272, 1814484, 1944090, 2116898, 2268105, 2592120, 2721726, 3024140, 3175347, 3628968, 3888180, 4233796, 4536210, 5292245, 5443452, 6048280, 6350694, 6804315, 7776360, 8467592, 9072420, 9526041, 10584490, 10886904, 12701388, 13608630, 15876735, 18144840, 19052082, 21168980, 25402776, 27217260, 31753470, 38104164, 42337960, 47630205, 54434520, 63506940, 76208328, 95260410, 127013880, 190520820, 381041640]

約数ペア:

[(1, 381041640), (2, 190520820), (3, 127013880), (4, 95260410), (5, 76208328), (6, 63506940), (7, 54434520), (8, 47630205), (9, 42337960), (10, 38104164), (12, 31753470), (14, 27217260), (15, 25402776), (18, 21168980), (20, 19052082), (21, 18144840), (24, 15876735), (28, 13608630), (30, 12701388), (35, 10886904), (36, 10584490), (40, 9526041), (42, 9072420), (45, 8467592), (49, 7776360), (56, 6804315), (60, 6350694), (63, 6048280), (70, 5443452), (72, 5292245), (84, 4536210), (90, 4233796), (98, 3888180), (105, 3628968), (120, 3175347), (126, 3024140), (140, 2721726), (147, 2592120), (168, 2268105), (180, 2116898), (196, 1944090), (210, 1814484), (245, 1555272), (252, 1512070), (280, 1360863), (294, 1296060), (315, 1209656), (360, 1058449), (392, 972045), (420, 907242), (441, 864040), (490, 777636), (504, 756035), (588, 648030), (630, 604828), (735, 518424), (840, 453621), (882, 432020), (980, 388818), (1176, 324015), (1260, 302414), (1470, 259212), (1764, 216010), (1960, 194409), (2205, 172808), (2520, 151207), (2940, 129606), (3528, 108005), (4410, 86404), (5880, 64803), (8820, 43202), (17640, 21601)]