About the Number

120904380

120904379 ← → 120904381

2進数表記:111001101001101101010111100

漢数字表記:一億二千九十万四千三百八十

素因数分解:

2 2 × 3 3 × 5 1 × 181 1 × 1237 1

素因数の和:1436
約数の個数: 96
約数和(自身を含む): 378530880
約数和(自身を除く): 257626500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 270, 362, 540, 543, 724, 905, 1086, 1237, 1629, 1810, 2172, 2474, 2715, 3258, 3620, 3711, 4887, 4948, 5430, 6185, 6516, 7422, 8145, 9774, 10860, 11133, 12370, 14844, 16290, 18555, 19548, 22266, 24435, 24740, 32580, 33399, 37110, 44532, 48870, 55665, 66798, 74220, 97740, 111330, 133596, 166995, 222660, 223897, 333990, 447794, 667980, 671691, 895588, 1119485, 1343382, 2015073, 2238970, 2686764, 3358455, 4030146, 4477940, 6045219, 6716910, 8060292, 10075365, 12090438, 13433820, 20150730, 24180876, 30226095, 40301460, 60452190, 120904380]

約数ペア:
[(1, 120904380), (2, 60452190), (3, 40301460), (4, 30226095), (5, 24180876), (6, 20150730), (9, 13433820), (10, 12090438), (12, 10075365), (15, 8060292), (18, 6716910), (20, 6045219), (27, 4477940), (30, 4030146), (36, 3358455), (45, 2686764), (54, 2238970), (60, 2015073), (90, 1343382), (108, 1119485), (135, 895588), (180, 671691), (181, 667980), (270, 447794), (362, 333990), (540, 223897), (543, 222660), (724, 166995), (905, 133596), (1086, 111330), (1237, 97740), (1629, 74220), (1810, 66798), (2172, 55665), (2474, 48870), (2715, 44532), (3258, 37110), (3620, 33399), (3711, 32580), (4887, 24740), (4948, 24435), (5430, 22266), (6185, 19548), (6516, 18555), (7422, 16290), (8145, 14844), (9774, 12370), (10860, 11133)]

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