15520400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 44651904

約数和(自身を除く): 29131504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 241, 280, 322, 350, 368, 400, 460, 482, 560, 575, 644, 700, 805, 920, 964, 1150, 1205, 1288, 1400, 1610, 1687, 1840, 1928, 2300, 2410, 2576, 2800, 3220, 3374, 3856, 4025, 4600, 4820, 5543, 6025, 6440, 6748, 8050, 8435, 9200, 9640, 11086, 12050, 12880, 13496, 16100, 16870, 19280, 22172, 24100, 26992, 27715, 32200, 33740, 38801, 42175, 44344, 48200, 55430, 64400, 67480, 77602, 84350, 88688, 96400, 110860, 134960, 138575, 155204, 168700, 194005, 221720, 277150, 310408, 337400, 388010, 443440, 554300, 620816, 674800, 776020, 970025, 1108600, 1552040, 1940050, 2217200, 3104080, 3880100, 7760200, 15520400]

約数ペア:

[(1, 15520400), (2, 7760200), (4, 3880100), (5, 3104080), (7, 2217200), (8, 1940050), (10, 1552040), (14, 1108600), (16, 970025), (20, 776020), (23, 674800), (25, 620816), (28, 554300), (35, 443440), (40, 388010), (46, 337400), (50, 310408), (56, 277150), (70, 221720), (80, 194005), (92, 168700), (100, 155204), (112, 138575), (115, 134960), (140, 110860), (161, 96400), (175, 88688), (184, 84350), (200, 77602), (230, 67480), (241, 64400), (280, 55430), (322, 48200), (350, 44344), (368, 42175), (400, 38801), (460, 33740), (482, 32200), (560, 27715), (575, 26992), (644, 24100), (700, 22172), (805, 19280), (920, 16870), (964, 16100), (1150, 13496), (1205, 12880), (1288, 12050), (1400, 11086), (1610, 9640), (1687, 9200), (1840, 8435), (1928, 8050), (2300, 6748), (2410, 6440), (2576, 6025), (2800, 5543), (3220, 4820), (3374, 4600), (3856, 4025)]