About the Number

2820720

2820719 ← → 2820721

2進数表記:1010110000101001110000

漢数字表記:二百八十二万七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 23 1 × 73 1

素因数の和:119
約数の個数: 160
約数和(自身を含む): 10570752
約数和(自身を除く): 7750032

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 73, 80, 84, 92, 105, 112, 115, 120, 138, 140, 146, 161, 168, 184, 210, 219, 230, 240, 276, 280, 292, 322, 336, 345, 365, 368, 420, 438, 460, 483, 511, 552, 560, 584, 644, 690, 730, 805, 840, 876, 920, 966, 1022, 1095, 1104, 1168, 1288, 1380, 1460, 1533, 1610, 1679, 1680, 1752, 1840, 1932, 2044, 2190, 2415, 2555, 2576, 2760, 2920, 3066, 3220, 3358, 3504, 3864, 4088, 4380, 4830, 5037, 5110, 5520, 5840, 6132, 6440, 6716, 7665, 7728, 8176, 8395, 8760, 9660, 10074, 10220, 11753, 12264, 12880, 13432, 15330, 16790, 17520, 19320, 20148, 20440, 23506, 24528, 25185, 26864, 30660, 33580, 35259, 38640, 40296, 40880, 47012, 50370, 58765, 61320, 67160, 70518, 80592, 94024, 100740, 117530, 122640, 134320, 141036, 176295, 188048, 201480, 235060, 282072, 352590, 402960, 470120, 564144, 705180, 940240, 1410360, 2820720]

約数ペア:
[(1, 2820720), (2, 1410360), (3, 940240), (4, 705180), (5, 564144), (6, 470120), (7, 402960), (8, 352590), (10, 282072), (12, 235060), (14, 201480), (15, 188048), (16, 176295), (20, 141036), (21, 134320), (23, 122640), (24, 117530), (28, 100740), (30, 94024), (35, 80592), (40, 70518), (42, 67160), (46, 61320), (48, 58765), (56, 50370), (60, 47012), (69, 40880), (70, 40296), (73, 38640), (80, 35259), (84, 33580), (92, 30660), (105, 26864), (112, 25185), (115, 24528), (120, 23506), (138, 20440), (140, 20148), (146, 19320), (161, 17520), (168, 16790), (184, 15330), (210, 13432), (219, 12880), (230, 12264), (240, 11753), (276, 10220), (280, 10074), (292, 9660), (322, 8760), (336, 8395), (345, 8176), (365, 7728), (368, 7665), (420, 6716), (438, 6440), (460, 6132), (483, 5840), (511, 5520), (552, 5110), (560, 5037), (584, 4830), (644, 4380), (690, 4088), (730, 3864), (805, 3504), (840, 3358), (876, 3220), (920, 3066), (966, 2920), (1022, 2760), (1095, 2576), (1104, 2555), (1168, 2415), (1288, 2190), (1380, 2044), (1460, 1932), (1533, 1840), (1610, 1752), (1679, 1680)]

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