About the Number

130915920

130915919 ← → 130915921

2進数表記:111110011011001111001010000

漢数字表記:一億三千九十一万五千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 545483 1

素因数の和:545499
約数の個数: 40
約数和(自身を含む): 405840096
約数和(自身を除く): 274924176

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 545483, 1090966, 1636449, 2181932, 2727415, 3272898, 4363864, 5454830, 6545796, 8182245, 8727728, 10909660, 13091592, 16364490, 21819320, 26183184, 32728980, 43638640, 65457960, 130915920]

約数ペア:
[(1, 130915920), (2, 65457960), (3, 43638640), (4, 32728980), (5, 26183184), (6, 21819320), (8, 16364490), (10, 13091592), (12, 10909660), (15, 8727728), (16, 8182245), (20, 6545796), (24, 5454830), (30, 4363864), (40, 3272898), (48, 2727415), (60, 2181932), (80, 1636449), (120, 1090966), (240, 545483)]

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