About the Number
128713680
2進数表記:111101011000000001111010000
漢数字表記:一億二千八百七十一万三千六百八十
素因数分解:
素因数の和:3445
約数の個数: 120
約数和(自身を含む): 440549928
約数和(自身を除く): 311836248
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3373, 3816, 4240, 4770, 6360, 6746, 7632, 9540, 10119, 12720, 13492, 16865, 19080, 20238, 26984, 30357, 33730, 38160, 40476, 50595, 53968, 60714, 67460, 80952, 101190, 121428, 134920, 151785, 161904, 178769, 202380, 242856, 269840, 303570, 357538, 404760, 485712, 536307, 607140, 715076, 809520, 893845, 1072614, 1214280, 1430152, 1608921, 1787690, 2145228, 2428560, 2681535, 2860304, 3217842, 3575380, 4290456, 5363070, 6435684, 7150760, 8044605, 8580912, 10726140, 12871368, 14301520, 16089210, 21452280, 25742736, 32178420, 42904560, 64356840, 128713680]
約数ペア:
[(1, 128713680), (2, 64356840), (3, 42904560), (4, 32178420), (5, 25742736), (6, 21452280), (8, 16089210), (9, 14301520), (10, 12871368), (12, 10726140), (15, 8580912), (16, 8044605), (18, 7150760), (20, 6435684), (24, 5363070), (30, 4290456), (36, 3575380), (40, 3217842), (45, 2860304), (48, 2681535), (53, 2428560), (60, 2145228), (72, 1787690), (80, 1608921), (90, 1430152), (106, 1214280), (120, 1072614), (144, 893845), (159, 809520), (180, 715076), (212, 607140), (240, 536307), (265, 485712), (318, 404760), (360, 357538), (424, 303570), (477, 269840), (530, 242856), (636, 202380), (720, 178769), (795, 161904), (848, 151785), (954, 134920), (1060, 121428), (1272, 101190), (1590, 80952), (1908, 67460), (2120, 60714), (2385, 53968), (2544, 50595), (3180, 40476), (3373, 38160), (3816, 33730), (4240, 30357), (4770, 26984), (6360, 20238), (6746, 19080), (7632, 16865), (9540, 13492), (10119, 12720)]このpageの処理時間: 0.006738901138305664 seconds