About the Number

128730672

128730671 ← → 128730673

2進数表記:111101011000100011000110000

漢数字表記:一億二千八百七十三万六百七十二

素因数分解:

2 4 × 3 2 × 7 1 × 127709 1

素因数の和:127730
約数の個数: 60
約数和(自身を含む): 411737040
約数和(自身を除く): 283006368

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 127709, 255418, 383127, 510836, 766254, 893963, 1021672, 1149381, 1532508, 1787926, 2043344, 2298762, 2681889, 3065016, 3575852, 4597524, 5363778, 6130032, 7151704, 8045667, 9195048, 10727556, 14303408, 16091334, 18390096, 21455112, 32182668, 42910224, 64365336, 128730672]

約数ペア:
[(1, 128730672), (2, 64365336), (3, 42910224), (4, 32182668), (6, 21455112), (7, 18390096), (8, 16091334), (9, 14303408), (12, 10727556), (14, 9195048), (16, 8045667), (18, 7151704), (21, 6130032), (24, 5363778), (28, 4597524), (36, 3575852), (42, 3065016), (48, 2681889), (56, 2298762), (63, 2043344), (72, 1787926), (84, 1532508), (112, 1149381), (126, 1021672), (144, 893963), (168, 766254), (252, 510836), (336, 383127), (504, 255418), (1008, 127709)]

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