About the Number

1227987120

1227987119 ← → 1227987121

2進数表記:1001001001100011001100010110000

漢数字表記:十二億二千七百九十八万七千百二十

素因数分解:

2 4 × 3 1 × 5 1 × 43 1 × 257 1 × 463 1

素因数の和:779
約数の個数: 160
約数和(自身を含む): 3918892032
約数和(自身を除く): 2690904912

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 257, 258, 344, 430, 463, 514, 516, 645, 688, 771, 860, 926, 1028, 1032, 1285, 1290, 1389, 1542, 1720, 1852, 2056, 2064, 2315, 2570, 2580, 2778, 3084, 3440, 3704, 3855, 4112, 4630, 5140, 5160, 5556, 6168, 6945, 7408, 7710, 9260, 10280, 10320, 11051, 11112, 12336, 13890, 15420, 18520, 19909, 20560, 22102, 22224, 27780, 30840, 33153, 37040, 39818, 44204, 55255, 55560, 59727, 61680, 66306, 79636, 88408, 99545, 110510, 111120, 118991, 119454, 132612, 159272, 165765, 176816, 199090, 221020, 237982, 238908, 265224, 298635, 318544, 331530, 356973, 398180, 442040, 475964, 477816, 530448, 594955, 597270, 663060, 713946, 796360, 884080, 951928, 955632, 1189910, 1194540, 1326120, 1427892, 1592720, 1784865, 1903856, 2379820, 2389080, 2652240, 2855784, 3569730, 4759640, 4778160, 5116613, 5711568, 7139460, 9519280, 10233226, 14278920, 15349839, 20466452, 25583065, 28557840, 30699678, 40932904, 51166130, 61399356, 76749195, 81865808, 102332260, 122798712, 153498390, 204664520, 245597424, 306996780, 409329040, 613993560, 1227987120]

約数ペア:
[(1, 1227987120), (2, 613993560), (3, 409329040), (4, 306996780), (5, 245597424), (6, 204664520), (8, 153498390), (10, 122798712), (12, 102332260), (15, 81865808), (16, 76749195), (20, 61399356), (24, 51166130), (30, 40932904), (40, 30699678), (43, 28557840), (48, 25583065), (60, 20466452), (80, 15349839), (86, 14278920), (120, 10233226), (129, 9519280), (172, 7139460), (215, 5711568), (240, 5116613), (257, 4778160), (258, 4759640), (344, 3569730), (430, 2855784), (463, 2652240), (514, 2389080), (516, 2379820), (645, 1903856), (688, 1784865), (771, 1592720), (860, 1427892), (926, 1326120), (1028, 1194540), (1032, 1189910), (1285, 955632), (1290, 951928), (1389, 884080), (1542, 796360), (1720, 713946), (1852, 663060), (2056, 597270), (2064, 594955), (2315, 530448), (2570, 477816), (2580, 475964), (2778, 442040), (3084, 398180), (3440, 356973), (3704, 331530), (3855, 318544), (4112, 298635), (4630, 265224), (5140, 238908), (5160, 237982), (5556, 221020), (6168, 199090), (6945, 176816), (7408, 165765), (7710, 159272), (9260, 132612), (10280, 119454), (10320, 118991), (11051, 111120), (11112, 110510), (12336, 99545), (13890, 88408), (15420, 79636), (18520, 66306), (19909, 61680), (20560, 59727), (22102, 55560), (22224, 55255), (27780, 44204), (30840, 39818), (33153, 37040)]

このpageの処理時間: 0.01086282730102539 seconds