278731908

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 192

約数和(自身を含む): 903168000

約数和(自身を除く): 624436092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 79, 84, 91, 108, 117, 126, 156, 158, 182, 189, 234, 237, 252, 273, 316, 351, 359, 364, 378, 468, 474, 546, 553, 702, 711, 718, 756, 819, 948, 1027, 1077, 1092, 1106, 1404, 1422, 1436, 1638, 1659, 2054, 2133, 2154, 2212, 2457, 2513, 2844, 3081, 3231, 3276, 3318, 4108, 4266, 4308, 4667, 4914, 4977, 5026, 6162, 6462, 6636, 7189, 7539, 8532, 9243, 9334, 9693, 9828, 9954, 10052, 12324, 12924, 14001, 14378, 14931, 15078, 18486, 18668, 19386, 19908, 21567, 22617, 27729, 28002, 28361, 28756, 29862, 30156, 32669, 36972, 38772, 42003, 43134, 45234, 55458, 56004, 56722, 59724, 64701, 65338, 67851, 84006, 85083, 86268, 90468, 98007, 110916, 113444, 126009, 129402, 130676, 135702, 168012, 170166, 194103, 196014, 198527, 252018, 255249, 258804, 271404, 294021, 340332, 368693, 388206, 392028, 397054, 504036, 510498, 588042, 595581, 737386, 765747, 776412, 794108, 882063, 1020996, 1106079, 1176084, 1191162, 1474772, 1531494, 1764126, 1786743, 2212158, 2382324, 2580851, 3062988, 3318237, 3528252, 3573486, 4424316, 5161702, 5360229, 6636474, 7146972, 7742553, 9954711, 10323404, 10720458, 13272948, 15485106, 19909422, 21440916, 23227659, 30970212, 39818844, 46455318, 69682977, 92910636, 139365954, 278731908]

約数ペア:

[(1, 278731908), (2, 139365954), (3, 92910636), (4, 69682977), (6, 46455318), (7, 39818844), (9, 30970212), (12, 23227659), (13, 21440916), (14, 19909422), (18, 15485106), (21, 13272948), (26, 10720458), (27, 10323404), (28, 9954711), (36, 7742553), (39, 7146972), (42, 6636474), (52, 5360229), (54, 5161702), (63, 4424316), (78, 3573486), (79, 3528252), (84, 3318237), (91, 3062988), (108, 2580851), (117, 2382324), (126, 2212158), (156, 1786743), (158, 1764126), (182, 1531494), (189, 1474772), (234, 1191162), (237, 1176084), (252, 1106079), (273, 1020996), (316, 882063), (351, 794108), (359, 776412), (364, 765747), (378, 737386), (468, 595581), (474, 588042), (546, 510498), (553, 504036), (702, 397054), (711, 392028), (718, 388206), (756, 368693), (819, 340332), (948, 294021), (1027, 271404), (1077, 258804), (1092, 255249), (1106, 252018), (1404, 198527), (1422, 196014), (1436, 194103), (1638, 170166), (1659, 168012), (2054, 135702), (2133, 130676), (2154, 129402), (2212, 126009), (2457, 113444), (2513, 110916), (2844, 98007), (3081, 90468), (3231, 86268), (3276, 85083), (3318, 84006), (4108, 67851), (4266, 65338), (4308, 64701), (4667, 59724), (4914, 56722), (4977, 56004), (5026, 55458), (6162, 45234), (6462, 43134), (6636, 42003), (7189, 38772), (7539, 36972), (8532, 32669), (9243, 30156), (9334, 29862), (9693, 28756), (9828, 28361), (9954, 28002), (10052, 27729), (12324, 22617), (12924, 21567), (14001, 19908), (14378, 19386), (14931, 18668), (15078, 18486)]