1261861720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37871}}^1$

素因数の和:37913

約数の個数: 96

約数和(自身を含む): 3497100480

約数和(自身を除く): 2235238760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 952, 980, 1190, 1666, 1960, 2380, 3332, 4165, 4760, 6664, 8330, 16660, 33320, 37871, 75742, 151484, 189355, 265097, 302968, 378710, 530194, 643807, 757420, 1060388, 1287614, 1325485, 1514840, 1855679, 2120776, 2575228, 2650970, 3219035, 3711358, 4506649, 5150456, 5301940, 6438070, 7422716, 9013298, 9278395, 10603880, 12876140, 14845432, 18026596, 18556790, 22533245, 25752280, 31546543, 36053192, 37113580, 45066490, 63093086, 74227160, 90132980, 126186172, 157732715, 180265960, 252372344, 315465430, 630930860, 1261861720]

約数ペア:

[(1, 1261861720), (2, 630930860), (4, 315465430), (5, 252372344), (7, 180265960), (8, 157732715), (10, 126186172), (14, 90132980), (17, 74227160), (20, 63093086), (28, 45066490), (34, 37113580), (35, 36053192), (40, 31546543), (49, 25752280), (56, 22533245), (68, 18556790), (70, 18026596), (85, 14845432), (98, 12876140), (119, 10603880), (136, 9278395), (140, 9013298), (170, 7422716), (196, 6438070), (238, 5301940), (245, 5150456), (280, 4506649), (340, 3711358), (392, 3219035), (476, 2650970), (490, 2575228), (595, 2120776), (680, 1855679), (833, 1514840), (952, 1325485), (980, 1287614), (1190, 1060388), (1666, 757420), (1960, 643807), (2380, 530194), (3332, 378710), (4165, 302968), (4760, 265097), (6664, 189355), (8330, 151484), (16660, 75742), (33320, 37871)]