31988790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 85821120

約数和(自身を除く): 53832330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 461, 514, 771, 922, 1285, 1383, 1542, 2305, 2313, 2570, 2766, 3855, 4149, 4610, 4626, 6915, 6939, 7710, 8298, 11565, 12447, 13830, 13878, 20745, 23130, 24894, 34695, 41490, 62235, 69390, 118477, 124470, 236954, 355431, 592385, 710862, 1066293, 1184770, 1777155, 2132586, 3198879, 3554310, 5331465, 6397758, 10662930, 15994395, 31988790]

約数ペア:

[(1, 31988790), (2, 15994395), (3, 10662930), (5, 6397758), (6, 5331465), (9, 3554310), (10, 3198879), (15, 2132586), (18, 1777155), (27, 1184770), (30, 1066293), (45, 710862), (54, 592385), (90, 355431), (135, 236954), (257, 124470), (270, 118477), (461, 69390), (514, 62235), (771, 41490), (922, 34695), (1285, 24894), (1383, 23130), (1542, 20745), (2305, 13878), (2313, 13830), (2570, 12447), (2766, 11565), (3855, 8298), (4149, 7710), (4610, 6939), (4626, 6915)]