About the Number

72131400

72131399 ← → 72131401

2進数表記:100010011001010001101001000

漢数字表記:七千二百十三万千四百

素因数分解:

2 3 × 3 2 × 5 2 × 11 1 × 3643 1

素因数の和:3676
約数の個数: 144
約数和(自身を含む): 264335760
約数和(自身を除く): 192204360

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1100, 1320, 1650, 1800, 1980, 2200, 2475, 3300, 3643, 3960, 4950, 6600, 7286, 9900, 10929, 14572, 18215, 19800, 21858, 29144, 32787, 36430, 40073, 43716, 54645, 65574, 72860, 80146, 87432, 91075, 109290, 120219, 131148, 145720, 160292, 163935, 182150, 200365, 218580, 240438, 262296, 273225, 320584, 327870, 360657, 364300, 400730, 437160, 480876, 546450, 601095, 655740, 721314, 728600, 801460, 819675, 961752, 1001825, 1092900, 1202190, 1311480, 1442628, 1602920, 1639350, 1803285, 2003650, 2185800, 2404380, 2885256, 3005475, 3278700, 3606570, 4007300, 4808760, 6010950, 6557400, 7213140, 8014600, 9016425, 12021900, 14426280, 18032850, 24043800, 36065700, 72131400]

約数ペア:
[(1, 72131400), (2, 36065700), (3, 24043800), (4, 18032850), (5, 14426280), (6, 12021900), (8, 9016425), (9, 8014600), (10, 7213140), (11, 6557400), (12, 6010950), (15, 4808760), (18, 4007300), (20, 3606570), (22, 3278700), (24, 3005475), (25, 2885256), (30, 2404380), (33, 2185800), (36, 2003650), (40, 1803285), (44, 1639350), (45, 1602920), (50, 1442628), (55, 1311480), (60, 1202190), (66, 1092900), (72, 1001825), (75, 961752), (88, 819675), (90, 801460), (99, 728600), (100, 721314), (110, 655740), (120, 601095), (132, 546450), (150, 480876), (165, 437160), (180, 400730), (198, 364300), (200, 360657), (220, 327870), (225, 320584), (264, 273225), (275, 262296), (300, 240438), (330, 218580), (360, 200365), (396, 182150), (440, 163935), (450, 160292), (495, 145720), (550, 131148), (600, 120219), (660, 109290), (792, 91075), (825, 87432), (900, 80146), (990, 72860), (1100, 65574), (1320, 54645), (1650, 43716), (1800, 40073), (1980, 36430), (2200, 32787), (2475, 29144), (3300, 21858), (3643, 19800), (3960, 18215), (4950, 14572), (6600, 10929), (7286, 9900)]

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