1242156780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{71143}}^1$

素因数の和:71255

約数の個数: 72

約数和(自身を含む): 3806773152

約数和(自身を除く): 2564616372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 71143, 142286, 213429, 284572, 355715, 426858, 640287, 711430, 853716, 1067145, 1280574, 1422860, 2134290, 2561148, 3201435, 4268580, 6402870, 6900871, 12805740, 13801742, 20702613, 27603484, 34504355, 41405226, 62107839, 69008710, 82810452, 103513065, 124215678, 138017420, 207026130, 248431356, 310539195, 414052260, 621078390, 1242156780]

約数ペア:

[(1, 1242156780), (2, 621078390), (3, 414052260), (4, 310539195), (5, 248431356), (6, 207026130), (9, 138017420), (10, 124215678), (12, 103513065), (15, 82810452), (18, 69008710), (20, 62107839), (30, 41405226), (36, 34504355), (45, 27603484), (60, 20702613), (90, 13801742), (97, 12805740), (180, 6900871), (194, 6402870), (291, 4268580), (388, 3201435), (485, 2561148), (582, 2134290), (873, 1422860), (970, 1280574), (1164, 1067145), (1455, 853716), (1746, 711430), (1940, 640287), (2910, 426858), (3492, 355715), (4365, 284572), (5820, 213429), (8730, 142286), (17460, 71143)]