15721065728

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 33789772800

約数和(自身を除く): 18068707072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 128, 152, 158, 163, 251, 256, 304, 316, 326, 502, 608, 632, 652, 1004, 1216, 1264, 1304, 1501, 2008, 2432, 2528, 2608, 3002, 3097, 4016, 4769, 4864, 5056, 5216, 6004, 6194, 8032, 9538, 10112, 10432, 12008, 12388, 12877, 16064, 19076, 19829, 20224, 20864, 24016, 24776, 25754, 32128, 38152, 39658, 40913, 41728, 48032, 49552, 51508, 64256, 76304, 79316, 81826, 96064, 99104, 103016, 152608, 158632, 163652, 192128, 198208, 206032, 244663, 305216, 317264, 327304, 376751, 384256, 396416, 412064, 489326, 610432, 634528, 654608, 753502, 777347, 792832, 824128, 978652, 1220864, 1269056, 1309216, 1507004, 1554694, 1648256, 1957304, 2538112, 2618432, 3014008, 3109388, 3232127, 3296512, 3914608, 5076224, 5236864, 6028016, 6218776, 6464254, 7829216, 10473728, 12056032, 12437552, 12928508, 15658432, 24112064, 24875104, 25857016, 31316864, 48224128, 49750208, 51714032, 61410413, 62633728, 96448256, 99500416, 103428064, 122820826, 199000832, 206856128, 245641652, 413712256, 491283304, 827424512, 982566608, 1965133216, 3930266432, 7860532864, 15721065728]

約数ペア:

[(1, 15721065728), (2, 7860532864), (4, 3930266432), (8, 1965133216), (16, 982566608), (19, 827424512), (32, 491283304), (38, 413712256), (64, 245641652), (76, 206856128), (79, 199000832), (128, 122820826), (152, 103428064), (158, 99500416), (163, 96448256), (251, 62633728), (256, 61410413), (304, 51714032), (316, 49750208), (326, 48224128), (502, 31316864), (608, 25857016), (632, 24875104), (652, 24112064), (1004, 15658432), (1216, 12928508), (1264, 12437552), (1304, 12056032), (1501, 10473728), (2008, 7829216), (2432, 6464254), (2528, 6218776), (2608, 6028016), (3002, 5236864), (3097, 5076224), (4016, 3914608), (4769, 3296512), (4864, 3232127), (5056, 3109388), (5216, 3014008), (6004, 2618432), (6194, 2538112), (8032, 1957304), (9538, 1648256), (10112, 1554694), (10432, 1507004), (12008, 1309216), (12388, 1269056), (12877, 1220864), (16064, 978652), (19076, 824128), (19829, 792832), (20224, 777347), (20864, 753502), (24016, 654608), (24776, 634528), (25754, 610432), (32128, 489326), (38152, 412064), (39658, 396416), (40913, 384256), (41728, 376751), (48032, 327304), (49552, 317264), (51508, 305216), (64256, 244663), (76304, 206032), (79316, 198208), (81826, 192128), (96064, 163652), (99104, 158632), (103016, 152608)]