About the Number

121506720

121506719 ← → 121506721

2進数表記:111001111100000101110100000

漢数字表記:一億二千百五十万六千七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 163 1 × 1553 1

素因数の和:1734
約数の個数: 96
約数和(自身を含む): 385342272
約数和(自身を除く): 263835552

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 163, 240, 326, 480, 489, 652, 815, 978, 1304, 1553, 1630, 1956, 2445, 2608, 3106, 3260, 3912, 4659, 4890, 5216, 6212, 6520, 7765, 7824, 9318, 9780, 12424, 13040, 15530, 15648, 18636, 19560, 23295, 24848, 26080, 31060, 37272, 39120, 46590, 49696, 62120, 74544, 78240, 93180, 124240, 149088, 186360, 248480, 253139, 372720, 506278, 745440, 759417, 1012556, 1265695, 1518834, 2025112, 2531390, 3037668, 3797085, 4050224, 5062780, 6075336, 7594170, 8100448, 10125560, 12150672, 15188340, 20251120, 24301344, 30376680, 40502240, 60753360, 121506720]

約数ペア:
[(1, 121506720), (2, 60753360), (3, 40502240), (4, 30376680), (5, 24301344), (6, 20251120), (8, 15188340), (10, 12150672), (12, 10125560), (15, 8100448), (16, 7594170), (20, 6075336), (24, 5062780), (30, 4050224), (32, 3797085), (40, 3037668), (48, 2531390), (60, 2025112), (80, 1518834), (96, 1265695), (120, 1012556), (160, 759417), (163, 745440), (240, 506278), (326, 372720), (480, 253139), (489, 248480), (652, 186360), (815, 149088), (978, 124240), (1304, 93180), (1553, 78240), (1630, 74544), (1956, 62120), (2445, 49696), (2608, 46590), (3106, 39120), (3260, 37272), (3912, 31060), (4659, 26080), (4890, 24848), (5216, 23295), (6212, 19560), (6520, 18636), (7765, 15648), (7824, 15530), (9318, 13040), (9780, 12424)]

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