About the Number

123291072

123291071 ← → 123291073

2進数表記:111010110010100010111000000

漢数字表記:一億二千三百二十九万千七十二

素因数分解:

2 6 × 3 4 × 17 1 × 1399 1

素因数の和:1440
約数の個数: 140
約数和(自身を含む): 387248400
約数和(自身を除く): 263957328

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 192, 204, 216, 272, 288, 306, 324, 408, 432, 459, 544, 576, 612, 648, 816, 864, 918, 1088, 1224, 1296, 1377, 1399, 1632, 1728, 1836, 2448, 2592, 2754, 2798, 3264, 3672, 4197, 4896, 5184, 5508, 5596, 7344, 8394, 9792, 11016, 11192, 12591, 14688, 16788, 22032, 22384, 23783, 25182, 29376, 33576, 37773, 44064, 44768, 47566, 50364, 67152, 71349, 75546, 88128, 89536, 95132, 100728, 113319, 134304, 142698, 151092, 190264, 201456, 214047, 226638, 268608, 285396, 302184, 380528, 402912, 428094, 453276, 570792, 604368, 642141, 761056, 805824, 856188, 906552, 1141584, 1208736, 1284282, 1522112, 1712376, 1813104, 1926423, 2283168, 2417472, 2568564, 3424752, 3626208, 3852846, 4566336, 5137128, 6849504, 7252416, 7705692, 10274256, 13699008, 15411384, 20548512, 30822768, 41097024, 61645536, 123291072]

約数ペア:
[(1, 123291072), (2, 61645536), (3, 41097024), (4, 30822768), (6, 20548512), (8, 15411384), (9, 13699008), (12, 10274256), (16, 7705692), (17, 7252416), (18, 6849504), (24, 5137128), (27, 4566336), (32, 3852846), (34, 3626208), (36, 3424752), (48, 2568564), (51, 2417472), (54, 2283168), (64, 1926423), (68, 1813104), (72, 1712376), (81, 1522112), (96, 1284282), (102, 1208736), (108, 1141584), (136, 906552), (144, 856188), (153, 805824), (162, 761056), (192, 642141), (204, 604368), (216, 570792), (272, 453276), (288, 428094), (306, 402912), (324, 380528), (408, 302184), (432, 285396), (459, 268608), (544, 226638), (576, 214047), (612, 201456), (648, 190264), (816, 151092), (864, 142698), (918, 134304), (1088, 113319), (1224, 100728), (1296, 95132), (1377, 89536), (1399, 88128), (1632, 75546), (1728, 71349), (1836, 67152), (2448, 50364), (2592, 47566), (2754, 44768), (2798, 44064), (3264, 37773), (3672, 33576), (4197, 29376), (4896, 25182), (5184, 23783), (5508, 22384), (5596, 22032), (7344, 16788), (8394, 14688), (9792, 12591), (11016, 11192)]

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