About the Number

2809080

2809079 ← → 2809081

2進数表記:1010101101110011111000

漢数字表記:二百八十万九千八十

素因数分解:

2 3 × 3 5 × 5 1 × 17 2

素因数の和:60
約数の個数: 144
約数和(自身を含む): 10057320
約数和(自身を除く): 7248240

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 289, 306, 324, 340, 360, 405, 408, 459, 486, 510, 540, 578, 612, 648, 680, 765, 810, 867, 918, 972, 1020, 1080, 1156, 1215, 1224, 1377, 1445, 1530, 1620, 1734, 1836, 1944, 2040, 2295, 2312, 2430, 2601, 2754, 2890, 3060, 3240, 3468, 3672, 4131, 4335, 4590, 4860, 5202, 5508, 5780, 6120, 6885, 6936, 7803, 8262, 8670, 9180, 9720, 10404, 11016, 11560, 13005, 13770, 15606, 16524, 17340, 18360, 20655, 20808, 23409, 26010, 27540, 31212, 33048, 34680, 39015, 41310, 46818, 52020, 55080, 62424, 70227, 78030, 82620, 93636, 104040, 117045, 140454, 156060, 165240, 187272, 234090, 280908, 312120, 351135, 468180, 561816, 702270, 936360, 1404540, 2809080]

約数ペア:
[(1, 2809080), (2, 1404540), (3, 936360), (4, 702270), (5, 561816), (6, 468180), (8, 351135), (9, 312120), (10, 280908), (12, 234090), (15, 187272), (17, 165240), (18, 156060), (20, 140454), (24, 117045), (27, 104040), (30, 93636), (34, 82620), (36, 78030), (40, 70227), (45, 62424), (51, 55080), (54, 52020), (60, 46818), (68, 41310), (72, 39015), (81, 34680), (85, 33048), (90, 31212), (102, 27540), (108, 26010), (120, 23409), (135, 20808), (136, 20655), (153, 18360), (162, 17340), (170, 16524), (180, 15606), (204, 13770), (216, 13005), (243, 11560), (255, 11016), (270, 10404), (289, 9720), (306, 9180), (324, 8670), (340, 8262), (360, 7803), (405, 6936), (408, 6885), (459, 6120), (486, 5780), (510, 5508), (540, 5202), (578, 4860), (612, 4590), (648, 4335), (680, 4131), (765, 3672), (810, 3468), (867, 3240), (918, 3060), (972, 2890), (1020, 2754), (1080, 2601), (1156, 2430), (1215, 2312), (1224, 2295), (1377, 2040), (1445, 1944), (1530, 1836), (1620, 1734)]

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