278997912

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:758

約数の個数: 128

約数和(自身を含む): 819072000

約数和(自身を除く): 540074088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 89, 92, 108, 138, 178, 184, 207, 216, 267, 276, 356, 414, 534, 552, 621, 631, 712, 801, 828, 1068, 1242, 1262, 1602, 1656, 1893, 2047, 2136, 2403, 2484, 2524, 3204, 3786, 4094, 4806, 4968, 5048, 5679, 6141, 6408, 7572, 8188, 9612, 11358, 12282, 14513, 15144, 16376, 17037, 18423, 19224, 22716, 24564, 29026, 34074, 36846, 43539, 45432, 49128, 55269, 56159, 58052, 68148, 73692, 87078, 110538, 112318, 116104, 130617, 136296, 147384, 168477, 174156, 221076, 224636, 261234, 336954, 348312, 391851, 442152, 449272, 505431, 522468, 673908, 783702, 1010862, 1044936, 1291657, 1347816, 1516293, 1567404, 2021724, 2583314, 3032586, 3134808, 3874971, 4043448, 5166628, 6065172, 7749942, 10333256, 11624913, 12130344, 15499884, 23249826, 30999768, 34874739, 46499652, 69749478, 92999304, 139498956, 278997912]

約数ペア:

[(1, 278997912), (2, 139498956), (3, 92999304), (4, 69749478), (6, 46499652), (8, 34874739), (9, 30999768), (12, 23249826), (18, 15499884), (23, 12130344), (24, 11624913), (27, 10333256), (36, 7749942), (46, 6065172), (54, 5166628), (69, 4043448), (72, 3874971), (89, 3134808), (92, 3032586), (108, 2583314), (138, 2021724), (178, 1567404), (184, 1516293), (207, 1347816), (216, 1291657), (267, 1044936), (276, 1010862), (356, 783702), (414, 673908), (534, 522468), (552, 505431), (621, 449272), (631, 442152), (712, 391851), (801, 348312), (828, 336954), (1068, 261234), (1242, 224636), (1262, 221076), (1602, 174156), (1656, 168477), (1893, 147384), (2047, 136296), (2136, 130617), (2403, 116104), (2484, 112318), (2524, 110538), (3204, 87078), (3786, 73692), (4094, 68148), (4806, 58052), (4968, 56159), (5048, 55269), (5679, 49128), (6141, 45432), (6408, 43539), (7572, 36846), (8188, 34074), (9612, 29026), (11358, 24564), (12282, 22716), (14513, 19224), (15144, 18423), (16376, 17037)]