280547928

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 820800000

約数和(自身を除く): 540252072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 149, 184, 207, 216, 276, 298, 379, 414, 447, 552, 596, 621, 758, 828, 894, 1137, 1192, 1242, 1341, 1516, 1656, 1788, 2274, 2484, 2682, 3032, 3411, 3427, 3576, 4023, 4548, 4968, 5364, 6822, 6854, 8046, 8717, 9096, 10233, 10281, 10728, 13644, 13708, 16092, 17434, 20466, 20562, 26151, 27288, 27416, 30843, 32184, 34868, 40932, 41124, 52302, 56471, 61686, 69736, 78453, 81864, 82248, 92529, 104604, 112942, 123372, 156906, 169413, 185058, 209208, 225884, 235359, 246744, 313812, 338826, 370116, 451768, 470718, 508239, 627624, 677652, 740232, 941436, 1016478, 1298833, 1355304, 1524717, 1882872, 2032956, 2597666, 3049434, 3896499, 4065912, 5195332, 6098868, 7792998, 10390664, 11689497, 12197736, 15585996, 23378994, 31171992, 35068491, 46757988, 70136982, 93515976, 140273964, 280547928]

約数ペア:

[(1, 280547928), (2, 140273964), (3, 93515976), (4, 70136982), (6, 46757988), (8, 35068491), (9, 31171992), (12, 23378994), (18, 15585996), (23, 12197736), (24, 11689497), (27, 10390664), (36, 7792998), (46, 6098868), (54, 5195332), (69, 4065912), (72, 3896499), (92, 3049434), (108, 2597666), (138, 2032956), (149, 1882872), (184, 1524717), (207, 1355304), (216, 1298833), (276, 1016478), (298, 941436), (379, 740232), (414, 677652), (447, 627624), (552, 508239), (596, 470718), (621, 451768), (758, 370116), (828, 338826), (894, 313812), (1137, 246744), (1192, 235359), (1242, 225884), (1341, 209208), (1516, 185058), (1656, 169413), (1788, 156906), (2274, 123372), (2484, 112942), (2682, 104604), (3032, 92529), (3411, 82248), (3427, 81864), (3576, 78453), (4023, 69736), (4548, 61686), (4968, 56471), (5364, 52302), (6822, 41124), (6854, 40932), (8046, 34868), (8717, 32184), (9096, 30843), (10233, 27416), (10281, 27288), (10728, 26151), (13644, 20562), (13708, 20466), (16092, 17434)]