About the Number

130647780

130647779 ← → 130647781

2進数表記:111110010011000011011100100

漢数字表記:一億三千六十四万七千七百八十

素因数分解:

2 2 × 3 2 × 5 1 × 47 1 × 15443 1

素因数の和:15505
約数の個数: 72
約数和(自身を含む): 404756352
約数和(自身を除く): 274108572

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 15443, 30886, 46329, 61772, 77215, 92658, 138987, 154430, 185316, 231645, 277974, 308860, 463290, 555948, 694935, 725821, 926580, 1389870, 1451642, 2177463, 2779740, 2903284, 3629105, 4354926, 6532389, 7258210, 8709852, 10887315, 13064778, 14516420, 21774630, 26129556, 32661945, 43549260, 65323890, 130647780]

約数ペア:
[(1, 130647780), (2, 65323890), (3, 43549260), (4, 32661945), (5, 26129556), (6, 21774630), (9, 14516420), (10, 13064778), (12, 10887315), (15, 8709852), (18, 7258210), (20, 6532389), (30, 4354926), (36, 3629105), (45, 2903284), (47, 2779740), (60, 2177463), (90, 1451642), (94, 1389870), (141, 926580), (180, 725821), (188, 694935), (235, 555948), (282, 463290), (423, 308860), (470, 277974), (564, 231645), (705, 185316), (846, 154430), (940, 138987), (1410, 92658), (1692, 77215), (2115, 61772), (2820, 46329), (4230, 30886), (8460, 15443)]

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