About the Number

30690720

30690719 ← → 30690721

2進数表記:1110101000100110110100000

漢数字表記:三千六十九万七百二十

素因数分解:

2 5 × 3 2 × 5 1 × 21313 1

素因数の和:21334
約数の個数: 72
約数和(自身を含む): 104736996
約数和(自身を除く): 74046276

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21313, 42626, 63939, 85252, 106565, 127878, 170504, 191817, 213130, 255756, 319695, 341008, 383634, 426260, 511512, 639390, 682016, 767268, 852520, 959085, 1023024, 1278780, 1534536, 1705040, 1918170, 2046048, 2557560, 3069072, 3410080, 3836340, 5115120, 6138144, 7672680, 10230240, 15345360, 30690720]

約数ペア:
[(1, 30690720), (2, 15345360), (3, 10230240), (4, 7672680), (5, 6138144), (6, 5115120), (8, 3836340), (9, 3410080), (10, 3069072), (12, 2557560), (15, 2046048), (16, 1918170), (18, 1705040), (20, 1534536), (24, 1278780), (30, 1023024), (32, 959085), (36, 852520), (40, 767268), (45, 682016), (48, 639390), (60, 511512), (72, 426260), (80, 383634), (90, 341008), (96, 319695), (120, 255756), (144, 213130), (160, 191817), (180, 170504), (240, 127878), (288, 106565), (360, 85252), (480, 63939), (720, 42626), (1440, 21313)]

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