About the Number

128123340

128123339 ← → 128123341

2進数表記:111101000110000000111001100

漢数字表記:一億二千八百十二万三千三百四十

素因数分解:

2 2 × 3 1 × 5 1 × 23 1 × 227 1 × 409 1

素因数の和:671
約数の個数: 96
約数和(自身を含む): 376911360
約数和(自身を除く): 248788020

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 227, 230, 276, 345, 409, 454, 460, 681, 690, 818, 908, 1135, 1227, 1362, 1380, 1636, 2045, 2270, 2454, 2724, 3405, 4090, 4540, 4908, 5221, 6135, 6810, 8180, 9407, 10442, 12270, 13620, 15663, 18814, 20884, 24540, 26105, 28221, 31326, 37628, 47035, 52210, 56442, 62652, 78315, 92843, 94070, 104420, 112884, 141105, 156630, 185686, 188140, 278529, 282210, 313260, 371372, 464215, 557058, 564420, 928430, 1114116, 1392645, 1856860, 2135389, 2785290, 4270778, 5570580, 6406167, 8541556, 10676945, 12812334, 21353890, 25624668, 32030835, 42707780, 64061670, 128123340]

約数ペア:
[(1, 128123340), (2, 64061670), (3, 42707780), (4, 32030835), (5, 25624668), (6, 21353890), (10, 12812334), (12, 10676945), (15, 8541556), (20, 6406167), (23, 5570580), (30, 4270778), (46, 2785290), (60, 2135389), (69, 1856860), (92, 1392645), (115, 1114116), (138, 928430), (227, 564420), (230, 557058), (276, 464215), (345, 371372), (409, 313260), (454, 282210), (460, 278529), (681, 188140), (690, 185686), (818, 156630), (908, 141105), (1135, 112884), (1227, 104420), (1362, 94070), (1380, 92843), (1636, 78315), (2045, 62652), (2270, 56442), (2454, 52210), (2724, 47035), (3405, 37628), (4090, 31326), (4540, 28221), (4908, 26105), (5221, 24540), (6135, 20884), (6810, 18814), (8180, 15663), (9407, 13620), (10442, 12270)]

このpageの処理時間: 0.00779271125793457 seconds