1272780648

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 3615840000

約数和(自身を除く): 2343059352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 149, 213, 216, 284, 298, 426, 447, 557, 568, 596, 639, 852, 894, 1114, 1192, 1278, 1341, 1671, 1704, 1788, 1917, 2228, 2556, 2682, 3342, 3576, 3834, 4023, 4456, 5013, 5112, 5364, 6684, 7668, 8046, 10026, 10579, 10728, 13368, 15039, 15336, 16092, 20052, 21158, 30078, 31737, 32184, 39547, 40104, 42316, 60156, 63474, 79094, 82993, 84632, 95211, 118641, 120312, 126948, 158188, 165986, 190422, 237282, 248979, 253896, 285633, 316376, 331972, 355923, 380844, 474564, 497958, 571266, 663944, 711846, 746937, 761688, 949128, 995916, 1067769, 1142532, 1423692, 1493874, 1991832, 2135538, 2240811, 2285064, 2847384, 2987748, 4271076, 4481622, 5892503, 5975496, 8542152, 8963244, 11785006, 17677509, 17926488, 23570012, 35355018, 47140024, 53032527, 70710036, 106065054, 141420072, 159097581, 212130108, 318195162, 424260216, 636390324, 1272780648]

約数ペア:

[(1, 1272780648), (2, 636390324), (3, 424260216), (4, 318195162), (6, 212130108), (8, 159097581), (9, 141420072), (12, 106065054), (18, 70710036), (24, 53032527), (27, 47140024), (36, 35355018), (54, 23570012), (71, 17926488), (72, 17677509), (108, 11785006), (142, 8963244), (149, 8542152), (213, 5975496), (216, 5892503), (284, 4481622), (298, 4271076), (426, 2987748), (447, 2847384), (557, 2285064), (568, 2240811), (596, 2135538), (639, 1991832), (852, 1493874), (894, 1423692), (1114, 1142532), (1192, 1067769), (1278, 995916), (1341, 949128), (1671, 761688), (1704, 746937), (1788, 711846), (1917, 663944), (2228, 571266), (2556, 497958), (2682, 474564), (3342, 380844), (3576, 355923), (3834, 331972), (4023, 316376), (4456, 285633), (5013, 253896), (5112, 248979), (5364, 237282), (6684, 190422), (7668, 165986), (8046, 158188), (10026, 126948), (10579, 120312), (10728, 118641), (13368, 95211), (15039, 84632), (15336, 82993), (16092, 79094), (20052, 63474), (21158, 60156), (30078, 42316), (31737, 40104), (32184, 39547)]