2020266640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1553}}^1$

素因数の和:1697

約数の個数: 160

約数和(自身を含む): 5660637696

約数和(自身を除く): 3640371056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 101, 112, 115, 140, 161, 184, 202, 230, 280, 322, 368, 404, 460, 505, 560, 644, 707, 805, 808, 920, 1010, 1288, 1414, 1553, 1610, 1616, 1840, 2020, 2323, 2576, 2828, 3106, 3220, 3535, 4040, 4646, 5656, 6212, 6440, 7070, 7765, 8080, 9292, 10871, 11312, 11615, 12424, 12880, 14140, 15530, 16261, 18584, 21742, 23230, 24848, 28280, 31060, 32522, 35719, 37168, 43484, 46460, 54355, 56560, 62120, 65044, 71438, 81305, 86968, 92920, 108710, 124240, 130088, 142876, 156853, 162610, 173936, 178595, 185840, 217420, 250033, 260176, 285752, 313706, 325220, 357190, 434840, 500066, 571504, 627412, 650440, 714380, 784265, 869680, 1000132, 1097971, 1250165, 1254824, 1300880, 1428760, 1568530, 2000264, 2195942, 2500330, 2509648, 2857520, 3137060, 3607619, 4000528, 4391884, 5000660, 5489855, 6274120, 7215238, 8783768, 10001320, 10979710, 12548240, 14430476, 17567536, 18038095, 20002640, 21959420, 25253333, 28860952, 36076190, 43918840, 50506666, 57721904, 72152380, 87837680, 101013332, 126266665, 144304760, 202026664, 252533330, 288609520, 404053328, 505066660, 1010133320, 2020266640]

約数ペア:

[(1, 2020266640), (2, 1010133320), (4, 505066660), (5, 404053328), (7, 288609520), (8, 252533330), (10, 202026664), (14, 144304760), (16, 126266665), (20, 101013332), (23, 87837680), (28, 72152380), (35, 57721904), (40, 50506666), (46, 43918840), (56, 36076190), (70, 28860952), (80, 25253333), (92, 21959420), (101, 20002640), (112, 18038095), (115, 17567536), (140, 14430476), (161, 12548240), (184, 10979710), (202, 10001320), (230, 8783768), (280, 7215238), (322, 6274120), (368, 5489855), (404, 5000660), (460, 4391884), (505, 4000528), (560, 3607619), (644, 3137060), (707, 2857520), (805, 2509648), (808, 2500330), (920, 2195942), (1010, 2000264), (1288, 1568530), (1414, 1428760), (1553, 1300880), (1610, 1254824), (1616, 1250165), (1840, 1097971), (2020, 1000132), (2323, 869680), (2576, 784265), (2828, 714380), (3106, 650440), (3220, 627412), (3535, 571504), (4040, 500066), (4646, 434840), (5656, 357190), (6212, 325220), (6440, 313706), (7070, 285752), (7765, 260176), (8080, 250033), (9292, 217420), (10871, 185840), (11312, 178595), (11615, 173936), (12424, 162610), (12880, 156853), (14140, 142876), (15530, 130088), (16261, 124240), (18584, 108710), (21742, 92920), (23230, 86968), (24848, 81305), (28280, 71438), (31060, 65044), (32522, 62120), (35719, 56560), (37168, 54355), (43484, 46460)]