2020709320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1069}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 5355820800

約数和(自身を除く): 3335111480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 157, 172, 215, 280, 301, 314, 344, 430, 602, 628, 785, 860, 1069, 1099, 1204, 1256, 1505, 1570, 1720, 2138, 2198, 2408, 3010, 3140, 4276, 4396, 5345, 5495, 6020, 6280, 6751, 7483, 8552, 8792, 10690, 10990, 12040, 13502, 14966, 21380, 21980, 27004, 29932, 33755, 37415, 42760, 43960, 45967, 47257, 54008, 59864, 67510, 74830, 91934, 94514, 135020, 149660, 167833, 183868, 189028, 229835, 236285, 270040, 299320, 321769, 335666, 367736, 378056, 459670, 472570, 643538, 671332, 839165, 919340, 945140, 1174831, 1287076, 1342664, 1608845, 1678330, 1838680, 1890280, 2349662, 2574152, 3217690, 3356660, 4699324, 5874155, 6435380, 6713320, 7216819, 9398648, 11748310, 12870760, 14433638, 23496620, 28867276, 36084095, 46993240, 50517733, 57734552, 72168190, 101035466, 144336380, 202070932, 252588665, 288672760, 404141864, 505177330, 1010354660, 2020709320]

約数ペア:

[(1, 2020709320), (2, 1010354660), (4, 505177330), (5, 404141864), (7, 288672760), (8, 252588665), (10, 202070932), (14, 144336380), (20, 101035466), (28, 72168190), (35, 57734552), (40, 50517733), (43, 46993240), (56, 36084095), (70, 28867276), (86, 23496620), (140, 14433638), (157, 12870760), (172, 11748310), (215, 9398648), (280, 7216819), (301, 6713320), (314, 6435380), (344, 5874155), (430, 4699324), (602, 3356660), (628, 3217690), (785, 2574152), (860, 2349662), (1069, 1890280), (1099, 1838680), (1204, 1678330), (1256, 1608845), (1505, 1342664), (1570, 1287076), (1720, 1174831), (2138, 945140), (2198, 919340), (2408, 839165), (3010, 671332), (3140, 643538), (4276, 472570), (4396, 459670), (5345, 378056), (5495, 367736), (6020, 335666), (6280, 321769), (6751, 299320), (7483, 270040), (8552, 236285), (8792, 229835), (10690, 189028), (10990, 183868), (12040, 167833), (13502, 149660), (14966, 135020), (21380, 94514), (21980, 91934), (27004, 74830), (29932, 67510), (33755, 59864), (37415, 54008), (42760, 47257), (43960, 45967)]