About the Number

72160380

72160379 ← → 72160381

2進数表記:100010011010001010001111100

漢数字表記:七千二百十六万三百八十

素因数分解:

2 2 × 3 2 × 5 1 × 503 1 × 797 1

素因数の和:1315
約数の個数: 72
約数和(自身を含む): 219596832
約数和(自身を除く): 147436452

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 797, 1006, 1509, 1594, 2012, 2391, 2515, 3018, 3188, 3985, 4527, 4782, 5030, 6036, 7173, 7545, 7970, 9054, 9564, 10060, 11955, 14346, 15090, 15940, 18108, 22635, 23910, 28692, 30180, 35865, 45270, 47820, 71730, 90540, 143460, 400891, 801782, 1202673, 1603564, 2004455, 2405346, 3608019, 4008910, 4810692, 6013365, 7216038, 8017820, 12026730, 14432076, 18040095, 24053460, 36080190, 72160380]

約数ペア:
[(1, 72160380), (2, 36080190), (3, 24053460), (4, 18040095), (5, 14432076), (6, 12026730), (9, 8017820), (10, 7216038), (12, 6013365), (15, 4810692), (18, 4008910), (20, 3608019), (30, 2405346), (36, 2004455), (45, 1603564), (60, 1202673), (90, 801782), (180, 400891), (503, 143460), (797, 90540), (1006, 71730), (1509, 47820), (1594, 45270), (2012, 35865), (2391, 30180), (2515, 28692), (3018, 23910), (3188, 22635), (3985, 18108), (4527, 15940), (4782, 15090), (5030, 14346), (6036, 11955), (7173, 10060), (7545, 9564), (7970, 9054)]

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