281087664

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 160

約数和(自身を含む): 881276928

約数和(自身を除く): 600189264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 176, 186, 208, 248, 264, 286, 312, 341, 372, 403, 429, 496, 528, 572, 624, 682, 744, 806, 858, 1023, 1144, 1209, 1321, 1364, 1488, 1612, 1716, 2046, 2288, 2418, 2642, 2728, 3224, 3432, 3963, 4092, 4433, 4836, 5284, 5456, 6448, 6864, 7926, 8184, 8866, 9672, 10568, 13299, 14531, 15852, 16368, 17173, 17732, 19344, 21136, 26598, 29062, 31704, 34346, 35464, 40951, 43593, 51519, 53196, 58124, 63408, 68692, 70928, 81902, 87186, 103038, 106392, 116248, 122853, 137384, 163804, 174372, 188903, 206076, 212784, 232496, 245706, 274768, 327608, 348744, 377806, 412152, 450461, 491412, 532363, 566709, 655216, 697488, 755612, 824304, 900922, 982824, 1064726, 1133418, 1351383, 1511224, 1597089, 1801844, 1965648, 2129452, 2266836, 2702766, 3022448, 3194178, 3603688, 4258904, 4533672, 5405532, 5855993, 6388356, 7207376, 8517808, 9067344, 10811064, 11711986, 12776712, 17567979, 21622128, 23423972, 25553424, 35135958, 46847944, 70271916, 93695888, 140543832, 281087664]

約数ペア:

[(1, 281087664), (2, 140543832), (3, 93695888), (4, 70271916), (6, 46847944), (8, 35135958), (11, 25553424), (12, 23423972), (13, 21622128), (16, 17567979), (22, 12776712), (24, 11711986), (26, 10811064), (31, 9067344), (33, 8517808), (39, 7207376), (44, 6388356), (48, 5855993), (52, 5405532), (62, 4533672), (66, 4258904), (78, 3603688), (88, 3194178), (93, 3022448), (104, 2702766), (124, 2266836), (132, 2129452), (143, 1965648), (156, 1801844), (176, 1597089), (186, 1511224), (208, 1351383), (248, 1133418), (264, 1064726), (286, 982824), (312, 900922), (341, 824304), (372, 755612), (403, 697488), (429, 655216), (496, 566709), (528, 532363), (572, 491412), (624, 450461), (682, 412152), (744, 377806), (806, 348744), (858, 327608), (1023, 274768), (1144, 245706), (1209, 232496), (1321, 212784), (1364, 206076), (1488, 188903), (1612, 174372), (1716, 163804), (2046, 137384), (2288, 122853), (2418, 116248), (2642, 106392), (2728, 103038), (3224, 87186), (3432, 81902), (3963, 70928), (4092, 68692), (4433, 63408), (4836, 58124), (5284, 53196), (5456, 51519), (6448, 43593), (6864, 40951), (7926, 35464), (8184, 34346), (8866, 31704), (9672, 29062), (10568, 26598), (13299, 21136), (14531, 19344), (15852, 17732), (16368, 17173)]