1265962880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21737}}^1$

素因数の和:21776

約数の個数: 128

約数和(自身を含む): 3725023680

約数和(自身を除く): 2459060800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 21737, 29120, 43474, 58240, 86948, 108685, 152159, 173896, 217370, 282581, 304318, 347792, 434740, 565162, 608636, 695584, 760795, 869480, 1130324, 1217272, 1391168, 1412905, 1521590, 1738960, 1978067, 2260648, 2434544, 2782336, 2825810, 3043180, 3477920, 3956134, 4521296, 4869088, 5651620, 6086360, 6955840, 7912268, 9042592, 9738176, 9890335, 11303240, 12172720, 13911680, 15824536, 18085184, 19476352, 19780670, 22606480, 24345440, 31649072, 36170368, 39561340, 45212960, 48690880, 63298144, 79122680, 90425920, 97381760, 126596288, 158245360, 180851840, 253192576, 316490720, 632981440, 1265962880]

約数ペア:

[(1, 1265962880), (2, 632981440), (4, 316490720), (5, 253192576), (7, 180851840), (8, 158245360), (10, 126596288), (13, 97381760), (14, 90425920), (16, 79122680), (20, 63298144), (26, 48690880), (28, 45212960), (32, 39561340), (35, 36170368), (40, 31649072), (52, 24345440), (56, 22606480), (64, 19780670), (65, 19476352), (70, 18085184), (80, 15824536), (91, 13911680), (104, 12172720), (112, 11303240), (128, 9890335), (130, 9738176), (140, 9042592), (160, 7912268), (182, 6955840), (208, 6086360), (224, 5651620), (260, 4869088), (280, 4521296), (320, 3956134), (364, 3477920), (416, 3043180), (448, 2825810), (455, 2782336), (520, 2434544), (560, 2260648), (640, 1978067), (728, 1738960), (832, 1521590), (896, 1412905), (910, 1391168), (1040, 1217272), (1120, 1130324), (1456, 869480), (1664, 760795), (1820, 695584), (2080, 608636), (2240, 565162), (2912, 434740), (3640, 347792), (4160, 304318), (4480, 282581), (5824, 217370), (7280, 173896), (8320, 152159), (11648, 108685), (14560, 86948), (21737, 58240), (29120, 43474)]