About the Number

128403480

128403479 ← → 128403481

2進数表記:111101001110100100000011000

漢数字表記:一億二千八百四十万三千四百八十

素因数分解:

2 3 × 3 1 × 5 1 × 23 1 × 46523 1

素因数の和:46560
約数の個数: 64
約数和(自身を含む): 401967360
約数和(自身を除く): 273563880

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 46523, 93046, 139569, 186092, 232615, 279138, 372184, 465230, 558276, 697845, 930460, 1070029, 1116552, 1395690, 1860920, 2140058, 2791380, 3210087, 4280116, 5350145, 5582760, 6420174, 8560232, 10700290, 12840348, 16050435, 21400580, 25680696, 32100870, 42801160, 64201740, 128403480]

約数ペア:
[(1, 128403480), (2, 64201740), (3, 42801160), (4, 32100870), (5, 25680696), (6, 21400580), (8, 16050435), (10, 12840348), (12, 10700290), (15, 8560232), (20, 6420174), (23, 5582760), (24, 5350145), (30, 4280116), (40, 3210087), (46, 2791380), (60, 2140058), (69, 1860920), (92, 1395690), (115, 1116552), (120, 1070029), (138, 930460), (184, 697845), (230, 558276), (276, 465230), (345, 372184), (460, 279138), (552, 232615), (690, 186092), (920, 139569), (1380, 93046), (2760, 46523)]

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