1821986760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{72647}}^1$

素因数の和:72691

約数の個数: 128

約数和(自身を含む): 6276787200

約数和(自身を除く): 4454800440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 12540, 25080, 72647, 145294, 217941, 290588, 363235, 435882, 581176, 726470, 799117, 871764, 1089705, 1380293, 1452940, 1598234, 1743528, 2179410, 2397351, 2760586, 2905880, 3196468, 3995585, 4140879, 4358820, 4794702, 5521172, 6392936, 6901465, 7991170, 8281758, 8717640, 9589404, 11042344, 11986755, 13802930, 15183223, 15982340, 16563516, 19178808, 20704395, 23973510, 27605860, 30366446, 31964680, 33127032, 41408790, 45549669, 47947020, 55211720, 60732892, 75916115, 82817580, 91099338, 95894040, 121465784, 151832230, 165635160, 182198676, 227748345, 303664460, 364397352, 455496690, 607328920, 910993380, 1821986760]

約数ペア:

[(1, 1821986760), (2, 910993380), (3, 607328920), (4, 455496690), (5, 364397352), (6, 303664460), (8, 227748345), (10, 182198676), (11, 165635160), (12, 151832230), (15, 121465784), (19, 95894040), (20, 91099338), (22, 82817580), (24, 75916115), (30, 60732892), (33, 55211720), (38, 47947020), (40, 45549669), (44, 41408790), (55, 33127032), (57, 31964680), (60, 30366446), (66, 27605860), (76, 23973510), (88, 20704395), (95, 19178808), (110, 16563516), (114, 15982340), (120, 15183223), (132, 13802930), (152, 11986755), (165, 11042344), (190, 9589404), (209, 8717640), (220, 8281758), (228, 7991170), (264, 6901465), (285, 6392936), (330, 5521172), (380, 4794702), (418, 4358820), (440, 4140879), (456, 3995585), (570, 3196468), (627, 2905880), (660, 2760586), (760, 2397351), (836, 2179410), (1045, 1743528), (1140, 1598234), (1254, 1452940), (1320, 1380293), (1672, 1089705), (2090, 871764), (2280, 799117), (2508, 726470), (3135, 581176), (4180, 435882), (5016, 363235), (6270, 290588), (8360, 217941), (12540, 145294), (25080, 72647)]