281311992

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 840738600

約数和(自身を除く): 559426608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 169, 183, 234, 244, 312, 338, 366, 379, 468, 488, 507, 549, 676, 732, 758, 793, 936, 1014, 1098, 1137, 1352, 1464, 1516, 1521, 1586, 2028, 2196, 2274, 2379, 3032, 3042, 3172, 3411, 4056, 4392, 4548, 4758, 4927, 6084, 6344, 6822, 7137, 9096, 9516, 9854, 10309, 12168, 13644, 14274, 14781, 19032, 19708, 20618, 23119, 27288, 28548, 29562, 30927, 39416, 41236, 44343, 46238, 57096, 59124, 61854, 64051, 69357, 82472, 88686, 92476, 92781, 118248, 123708, 128102, 138714, 177372, 184952, 185562, 192153, 208071, 247416, 256204, 277428, 300547, 354744, 371124, 384306, 416142, 512408, 554856, 576459, 601094, 742248, 768612, 832284, 901641, 1152918, 1202188, 1537224, 1664568, 1803282, 2305836, 2404376, 2704923, 3606564, 3907111, 4611672, 5409846, 7213128, 7814222, 10819692, 11721333, 15628444, 21639384, 23442666, 31256888, 35163999, 46885332, 70327998, 93770664, 140655996, 281311992]

約数ペア:

[(1, 281311992), (2, 140655996), (3, 93770664), (4, 70327998), (6, 46885332), (8, 35163999), (9, 31256888), (12, 23442666), (13, 21639384), (18, 15628444), (24, 11721333), (26, 10819692), (36, 7814222), (39, 7213128), (52, 5409846), (61, 4611672), (72, 3907111), (78, 3606564), (104, 2704923), (117, 2404376), (122, 2305836), (156, 1803282), (169, 1664568), (183, 1537224), (234, 1202188), (244, 1152918), (312, 901641), (338, 832284), (366, 768612), (379, 742248), (468, 601094), (488, 576459), (507, 554856), (549, 512408), (676, 416142), (732, 384306), (758, 371124), (793, 354744), (936, 300547), (1014, 277428), (1098, 256204), (1137, 247416), (1352, 208071), (1464, 192153), (1516, 185562), (1521, 184952), (1586, 177372), (2028, 138714), (2196, 128102), (2274, 123708), (2379, 118248), (3032, 92781), (3042, 92476), (3172, 88686), (3411, 82472), (4056, 69357), (4392, 64051), (4548, 61854), (4758, 59124), (4927, 57096), (6084, 46238), (6344, 44343), (6822, 41236), (7137, 39416), (9096, 30927), (9516, 29562), (9854, 28548), (10309, 27288), (12168, 23119), (13644, 20618), (14274, 19708), (14781, 19032)]