157450280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 404157600

約数和(自身を除く): 246707320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 53, 58, 65, 104, 106, 116, 130, 145, 197, 212, 232, 260, 265, 290, 377, 394, 424, 520, 530, 580, 689, 754, 788, 985, 1060, 1160, 1378, 1508, 1537, 1576, 1885, 1970, 2120, 2561, 2756, 3016, 3074, 3445, 3770, 3940, 5122, 5512, 5713, 6148, 6890, 7540, 7685, 7880, 10244, 10441, 11426, 12296, 12805, 13780, 15080, 15370, 19981, 20488, 20882, 22852, 25610, 27560, 28565, 30740, 39962, 41764, 45704, 51220, 52205, 57130, 61480, 74269, 79924, 83528, 99905, 102440, 104410, 114260, 135733, 148538, 159848, 199810, 208820, 228520, 271466, 297076, 302789, 371345, 399620, 417640, 542932, 594152, 605578, 678665, 742690, 799240, 1085864, 1211156, 1357330, 1485380, 1513945, 2422312, 2714660, 2970760, 3027890, 3936257, 5429320, 6055780, 7872514, 12111560, 15745028, 19681285, 31490056, 39362570, 78725140, 157450280]

約数ペア:

[(1, 157450280), (2, 78725140), (4, 39362570), (5, 31490056), (8, 19681285), (10, 15745028), (13, 12111560), (20, 7872514), (26, 6055780), (29, 5429320), (40, 3936257), (52, 3027890), (53, 2970760), (58, 2714660), (65, 2422312), (104, 1513945), (106, 1485380), (116, 1357330), (130, 1211156), (145, 1085864), (197, 799240), (212, 742690), (232, 678665), (260, 605578), (265, 594152), (290, 542932), (377, 417640), (394, 399620), (424, 371345), (520, 302789), (530, 297076), (580, 271466), (689, 228520), (754, 208820), (788, 199810), (985, 159848), (1060, 148538), (1160, 135733), (1378, 114260), (1508, 104410), (1537, 102440), (1576, 99905), (1885, 83528), (1970, 79924), (2120, 74269), (2561, 61480), (2756, 57130), (3016, 52205), (3074, 51220), (3445, 45704), (3770, 41764), (3940, 39962), (5122, 30740), (5512, 28565), (5713, 27560), (6148, 25610), (6890, 22852), (7540, 20882), (7685, 20488), (7880, 19981), (10244, 15370), (10441, 15080), (11426, 13780), (12296, 12805)]