About the Number

245280

245279 ← → 245281

2進数表記:111011111000100000

漢数字表記:二十四万五千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 73 1

素因数の和:98
約数の個数: 96
約数和(自身を含む): 895104
約数和(自身を除く): 649824

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 560, 584, 672, 730, 840, 876, 1022, 1095, 1120, 1168, 1460, 1533, 1680, 1752, 2044, 2190, 2336, 2555, 2920, 3066, 3360, 3504, 4088, 4380, 5110, 5840, 6132, 7008, 7665, 8176, 8760, 10220, 11680, 12264, 15330, 16352, 17520, 20440, 24528, 30660, 35040, 40880, 49056, 61320, 81760, 122640, 245280]

約数ペア:
[(1, 245280), (2, 122640), (3, 81760), (4, 61320), (5, 49056), (6, 40880), (7, 35040), (8, 30660), (10, 24528), (12, 20440), (14, 17520), (15, 16352), (16, 15330), (20, 12264), (21, 11680), (24, 10220), (28, 8760), (30, 8176), (32, 7665), (35, 7008), (40, 6132), (42, 5840), (48, 5110), (56, 4380), (60, 4088), (70, 3504), (73, 3360), (80, 3066), (84, 2920), (96, 2555), (105, 2336), (112, 2190), (120, 2044), (140, 1752), (146, 1680), (160, 1533), (168, 1460), (210, 1168), (219, 1120), (224, 1095), (240, 1022), (280, 876), (292, 840), (336, 730), (365, 672), (420, 584), (438, 560), (480, 511)]

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