About the Number

12816900

12816899 ← → 12816901

2進数表記:110000111001001000000100

漢数字表記:千二百八十一万六千九百

素因数分解:

2 2 × 3 3 × 5 2 × 47 1 × 101 1

素因数の和:171
約数の個数: 144
約数和(自身を含む): 42497280
約数和(自身を除く): 29680380

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 90, 94, 100, 101, 108, 135, 141, 150, 180, 188, 202, 225, 235, 270, 282, 300, 303, 404, 423, 450, 470, 505, 540, 564, 606, 675, 705, 846, 900, 909, 940, 1010, 1175, 1212, 1269, 1350, 1410, 1515, 1692, 1818, 2020, 2115, 2350, 2525, 2538, 2700, 2727, 2820, 3030, 3525, 3636, 4230, 4545, 4700, 4747, 5050, 5076, 5454, 6060, 6345, 7050, 7575, 8460, 9090, 9494, 10100, 10575, 10908, 12690, 13635, 14100, 14241, 15150, 18180, 18988, 21150, 22725, 23735, 25380, 27270, 28482, 30300, 31725, 42300, 42723, 45450, 47470, 54540, 56964, 63450, 68175, 71205, 85446, 90900, 94940, 118675, 126900, 128169, 136350, 142410, 170892, 213615, 237350, 256338, 272700, 284820, 356025, 427230, 474700, 512676, 640845, 712050, 854460, 1068075, 1281690, 1424100, 2136150, 2563380, 3204225, 4272300, 6408450, 12816900]

約数ペア:
[(1, 12816900), (2, 6408450), (3, 4272300), (4, 3204225), (5, 2563380), (6, 2136150), (9, 1424100), (10, 1281690), (12, 1068075), (15, 854460), (18, 712050), (20, 640845), (25, 512676), (27, 474700), (30, 427230), (36, 356025), (45, 284820), (47, 272700), (50, 256338), (54, 237350), (60, 213615), (75, 170892), (90, 142410), (94, 136350), (100, 128169), (101, 126900), (108, 118675), (135, 94940), (141, 90900), (150, 85446), (180, 71205), (188, 68175), (202, 63450), (225, 56964), (235, 54540), (270, 47470), (282, 45450), (300, 42723), (303, 42300), (404, 31725), (423, 30300), (450, 28482), (470, 27270), (505, 25380), (540, 23735), (564, 22725), (606, 21150), (675, 18988), (705, 18180), (846, 15150), (900, 14241), (909, 14100), (940, 13635), (1010, 12690), (1175, 10908), (1212, 10575), (1269, 10100), (1350, 9494), (1410, 9090), (1515, 8460), (1692, 7575), (1818, 7050), (2020, 6345), (2115, 6060), (2350, 5454), (2525, 5076), (2538, 5050), (2700, 4747), (2727, 4700), (2820, 4545), (3030, 4230), (3525, 3636)]

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