About the Number

80980380

80980379 ← → 80980381

2進数表記:100110100111010100110011100

漢数字表記:八千九十八万三百八十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 34607 1

素因数の和:34635
約数の個数: 72
約数和(自身を含む): 264543552
約数和(自身を除く): 183563172

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 34607, 69214, 103821, 138428, 173035, 207642, 311463, 346070, 415284, 449891, 519105, 622926, 692140, 899782, 1038210, 1245852, 1349673, 1557315, 1799564, 2076420, 2249455, 2699346, 3114630, 4049019, 4498910, 5398692, 6229260, 6748365, 8098038, 8997820, 13496730, 16196076, 20245095, 26993460, 40490190, 80980380]

約数ペア:
[(1, 80980380), (2, 40490190), (3, 26993460), (4, 20245095), (5, 16196076), (6, 13496730), (9, 8997820), (10, 8098038), (12, 6748365), (13, 6229260), (15, 5398692), (18, 4498910), (20, 4049019), (26, 3114630), (30, 2699346), (36, 2249455), (39, 2076420), (45, 1799564), (52, 1557315), (60, 1349673), (65, 1245852), (78, 1038210), (90, 899782), (117, 692140), (130, 622926), (156, 519105), (180, 449891), (195, 415284), (234, 346070), (260, 311463), (390, 207642), (468, 173035), (585, 138428), (780, 103821), (1170, 69214), (2340, 34607)]

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