2181394770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 5481934848

約数和(自身を除く): 3300540078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 71, 103, 122, 142, 163, 183, 206, 213, 305, 309, 326, 355, 366, 426, 489, 515, 610, 618, 710, 815, 915, 978, 1030, 1065, 1545, 1630, 1830, 2130, 2445, 3090, 4331, 4890, 6283, 7313, 8662, 9943, 11573, 12566, 12993, 14626, 16789, 18849, 19886, 21655, 21939, 23146, 25986, 29829, 31415, 33578, 34719, 36565, 37698, 43310, 43878, 49715, 50367, 57865, 59658, 62830, 64965, 69438, 73130, 83945, 94245, 99430, 100734, 109695, 115730, 129930, 149145, 167890, 173595, 188490, 219390, 251835, 298290, 347190, 446093, 503670, 705953, 892186, 1024129, 1192019, 1338279, 1411906, 2048258, 2117859, 2230465, 2384038, 2676558, 3072387, 3529765, 3576057, 4235718, 4460930, 5120645, 5960095, 6144774, 6691395, 7059530, 7152114, 10241290, 10589295, 11920190, 13382790, 15361935, 17880285, 21178590, 30723870, 35760570, 72713159, 145426318, 218139477, 363565795, 436278954, 727131590, 1090697385, 2181394770]

約数ペア:

[(1, 2181394770), (2, 1090697385), (3, 727131590), (5, 436278954), (6, 363565795), (10, 218139477), (15, 145426318), (30, 72713159), (61, 35760570), (71, 30723870), (103, 21178590), (122, 17880285), (142, 15361935), (163, 13382790), (183, 11920190), (206, 10589295), (213, 10241290), (305, 7152114), (309, 7059530), (326, 6691395), (355, 6144774), (366, 5960095), (426, 5120645), (489, 4460930), (515, 4235718), (610, 3576057), (618, 3529765), (710, 3072387), (815, 2676558), (915, 2384038), (978, 2230465), (1030, 2117859), (1065, 2048258), (1545, 1411906), (1630, 1338279), (1830, 1192019), (2130, 1024129), (2445, 892186), (3090, 705953), (4331, 503670), (4890, 446093), (6283, 347190), (7313, 298290), (8662, 251835), (9943, 219390), (11573, 188490), (12566, 173595), (12993, 167890), (14626, 149145), (16789, 129930), (18849, 115730), (19886, 109695), (21655, 100734), (21939, 99430), (23146, 94245), (25986, 83945), (29829, 73130), (31415, 69438), (33578, 64965), (34719, 62830), (36565, 59658), (37698, 57865), (43310, 50367), (43878, 49715)]