About the Number

128947320

128947319 ← → 128947321

2進数表記:111101011111001010001111000

漢数字表記:一億二千八百九十四万七千三百二十

素因数分解:

2 3 × 3 2 × 5 1 × 47 1 × 7621 1

素因数の和:7685
約数の個数: 96
約数和(自身を含む): 428051520
約数和(自身を除く): 299104200

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 5640, 7621, 8460, 15242, 16920, 22863, 30484, 38105, 45726, 60968, 68589, 76210, 91452, 114315, 137178, 152420, 182904, 228630, 274356, 304840, 342945, 358187, 457260, 548712, 685890, 716374, 914520, 1074561, 1371780, 1432748, 1790935, 2149122, 2743560, 2865496, 3223683, 3581870, 4298244, 5372805, 6447366, 7163740, 8596488, 10745610, 12894732, 14327480, 16118415, 21491220, 25789464, 32236830, 42982440, 64473660, 128947320]

約数ペア:
[(1, 128947320), (2, 64473660), (3, 42982440), (4, 32236830), (5, 25789464), (6, 21491220), (8, 16118415), (9, 14327480), (10, 12894732), (12, 10745610), (15, 8596488), (18, 7163740), (20, 6447366), (24, 5372805), (30, 4298244), (36, 3581870), (40, 3223683), (45, 2865496), (47, 2743560), (60, 2149122), (72, 1790935), (90, 1432748), (94, 1371780), (120, 1074561), (141, 914520), (180, 716374), (188, 685890), (235, 548712), (282, 457260), (360, 358187), (376, 342945), (423, 304840), (470, 274356), (564, 228630), (705, 182904), (846, 152420), (940, 137178), (1128, 114315), (1410, 91452), (1692, 76210), (1880, 68589), (2115, 60968), (2820, 45726), (3384, 38105), (4230, 30484), (5640, 22863), (7621, 16920), (8460, 15242)]

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