About the Number

72872010

72872009 ← → 72872011

2進数表記:100010101111111000001001010

漢数字表記:七千二百八十七万二千十

素因数分解:

2 1 × 3 2 × 5 1 × 31 1 × 26119 1

素因数の和:26163
約数の個数: 48
約数和(自身を含む): 195586560
約数和(自身を除く): 122714550

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 26119, 52238, 78357, 130595, 156714, 235071, 261190, 391785, 470142, 783570, 809689, 1175355, 1619378, 2350710, 2429067, 4048445, 4858134, 7287201, 8096890, 12145335, 14574402, 24290670, 36436005, 72872010]

約数ペア:
[(1, 72872010), (2, 36436005), (3, 24290670), (5, 14574402), (6, 12145335), (9, 8096890), (10, 7287201), (15, 4858134), (18, 4048445), (30, 2429067), (31, 2350710), (45, 1619378), (62, 1175355), (90, 809689), (93, 783570), (155, 470142), (186, 391785), (279, 261190), (310, 235071), (465, 156714), (558, 130595), (930, 78357), (1395, 52238), (2790, 26119)]

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