29311120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 42684272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 223, 248, 265, 310, 424, 446, 496, 530, 620, 848, 892, 1060, 1115, 1240, 1643, 1784, 2120, 2230, 2480, 3286, 3568, 4240, 4460, 6572, 6913, 8215, 8920, 11819, 13144, 13826, 16430, 17840, 23638, 26288, 27652, 32860, 34565, 47276, 55304, 59095, 65720, 69130, 94552, 110608, 118190, 131440, 138260, 189104, 236380, 276520, 366389, 472760, 553040, 732778, 945520, 1465556, 1831945, 2931112, 3663890, 5862224, 7327780, 14655560, 29311120]

約数ペア:

[(1, 29311120), (2, 14655560), (4, 7327780), (5, 5862224), (8, 3663890), (10, 2931112), (16, 1831945), (20, 1465556), (31, 945520), (40, 732778), (53, 553040), (62, 472760), (80, 366389), (106, 276520), (124, 236380), (155, 189104), (212, 138260), (223, 131440), (248, 118190), (265, 110608), (310, 94552), (424, 69130), (446, 65720), (496, 59095), (530, 55304), (620, 47276), (848, 34565), (892, 32860), (1060, 27652), (1115, 26288), (1240, 23638), (1643, 17840), (1784, 16430), (2120, 13826), (2230, 13144), (2480, 11819), (3286, 8920), (3568, 8215), (4240, 6913), (4460, 6572)]