About the Number

101230720

101230719 ← → 101230721

2進数表記:110000010001010100010000000

漢数字表記:一億百二十三万七百二十

素因数分解:

2 7 × 5 1 × 61 1 × 2593 1

素因数の和:2673
約数の個数: 64
約数和(自身を含む): 246066840
約数和(自身を除く): 144836120

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 2593, 3904, 4880, 5186, 7808, 9760, 10372, 12965, 19520, 20744, 25930, 39040, 41488, 51860, 82976, 103720, 158173, 165952, 207440, 316346, 331904, 414880, 632692, 790865, 829760, 1265384, 1581730, 1659520, 2530768, 3163460, 5061536, 6326920, 10123072, 12653840, 20246144, 25307680, 50615360, 101230720]

約数ペア:
[(1, 101230720), (2, 50615360), (4, 25307680), (5, 20246144), (8, 12653840), (10, 10123072), (16, 6326920), (20, 5061536), (32, 3163460), (40, 2530768), (61, 1659520), (64, 1581730), (80, 1265384), (122, 829760), (128, 790865), (160, 632692), (244, 414880), (305, 331904), (320, 316346), (488, 207440), (610, 165952), (640, 158173), (976, 103720), (1220, 82976), (1952, 51860), (2440, 41488), (2593, 39040), (3904, 25930), (4880, 20744), (5186, 19520), (7808, 12965), (9760, 10372)]

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