About the Number

1304870520

1304870519 ← → 1304870521

2進数表記:1001101110001101011111001111000

漢数字表記:十三億四百八十七万五百二十

素因数分解:

2 3 × 3 1 × 5 1 × 61 1 × 178261 1

素因数の和:178336
約数の個数: 64
約数和(自身を含む): 3978807840
約数和(自身を除く): 2673937320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 178261, 356522, 534783, 713044, 891305, 1069566, 1426088, 1782610, 2139132, 2673915, 3565220, 4278264, 5347830, 7130440, 10695660, 10873921, 21391320, 21747842, 32621763, 43495684, 54369605, 65243526, 86991368, 108739210, 130487052, 163108815, 217478420, 260974104, 326217630, 434956840, 652435260, 1304870520]

約数ペア:
[(1, 1304870520), (2, 652435260), (3, 434956840), (4, 326217630), (5, 260974104), (6, 217478420), (8, 163108815), (10, 130487052), (12, 108739210), (15, 86991368), (20, 65243526), (24, 54369605), (30, 43495684), (40, 32621763), (60, 21747842), (61, 21391320), (120, 10873921), (122, 10695660), (183, 7130440), (244, 5347830), (305, 4278264), (366, 3565220), (488, 2673915), (610, 2139132), (732, 1782610), (915, 1426088), (1220, 1069566), (1464, 891305), (1830, 713044), (2440, 534783), (3660, 356522), (7320, 178261)]

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