About the Number

129724080

129724079 ← → 129724081

2進数表記:111101110110110111010110000

漢数字表記:一億二千九百七十二万四千八十

素因数分解:

2 4 × 3 1 × 5 1 × 540517 1

素因数の和:540533
約数の個数: 40
約数和(自身を含む): 402145392
約数和(自身を除く): 272421312

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 540517, 1081034, 1621551, 2162068, 2702585, 3243102, 4324136, 5405170, 6486204, 8107755, 8648272, 10810340, 12972408, 16215510, 21620680, 25944816, 32431020, 43241360, 64862040, 129724080]

約数ペア:
[(1, 129724080), (2, 64862040), (3, 43241360), (4, 32431020), (5, 25944816), (6, 21620680), (8, 16215510), (10, 12972408), (12, 10810340), (15, 8648272), (16, 8107755), (20, 6486204), (24, 5405170), (30, 4324136), (40, 3243102), (48, 2702585), (60, 2162068), (80, 1621551), (120, 1081034), (240, 540517)]

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