About the Number

81143790

81143789 ← → 81143791

2進数表記:100110101100010011111101110

漢数字表記:八千百十四万三千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 13 1 × 29723 1

素因数の和:29753
約数の個数: 64
約数和(自身を含む): 239694336
約数和(自身を除く): 158550546

約数列:
[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 29723, 59446, 89169, 148615, 178338, 208061, 297230, 386399, 416122, 445845, 624183, 772798, 891690, 1040305, 1159197, 1248366, 1931995, 2080610, 2318394, 2704793, 3120915, 3863990, 5409586, 5795985, 6241830, 8114379, 11591970, 13523965, 16228758, 27047930, 40571895, 81143790]

約数ペア:
[(1, 81143790), (2, 40571895), (3, 27047930), (5, 16228758), (6, 13523965), (7, 11591970), (10, 8114379), (13, 6241830), (14, 5795985), (15, 5409586), (21, 3863990), (26, 3120915), (30, 2704793), (35, 2318394), (39, 2080610), (42, 1931995), (65, 1248366), (70, 1159197), (78, 1040305), (91, 891690), (105, 772798), (130, 624183), (182, 445845), (195, 416122), (210, 386399), (273, 297230), (390, 208061), (455, 178338), (546, 148615), (910, 89169), (1365, 59446), (2730, 29723)]

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