1556406460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5879}}^1$

素因数の和:5987

約数の個数: 96

約数和(自身を含む): 3919749120

約数和(自身を除く): 2363342660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 305, 310, 427, 434, 610, 620, 854, 868, 1085, 1220, 1708, 1891, 2135, 2170, 3782, 4270, 4340, 5879, 7564, 8540, 9455, 11758, 13237, 18910, 23516, 26474, 29395, 37820, 41153, 52948, 58790, 66185, 82306, 117580, 132370, 164612, 182249, 205765, 264740, 358619, 364498, 411530, 717238, 728996, 823060, 911245, 1275743, 1434476, 1793095, 1822490, 2510333, 2551486, 3586190, 3644980, 5020666, 5102972, 6378715, 7172380, 10041332, 11117189, 12551665, 12757430, 22234378, 25103330, 25514860, 44468756, 50206660, 55585945, 77820323, 111171890, 155640646, 222343780, 311281292, 389101615, 778203230, 1556406460]

約数ペア:

[(1, 1556406460), (2, 778203230), (4, 389101615), (5, 311281292), (7, 222343780), (10, 155640646), (14, 111171890), (20, 77820323), (28, 55585945), (31, 50206660), (35, 44468756), (61, 25514860), (62, 25103330), (70, 22234378), (122, 12757430), (124, 12551665), (140, 11117189), (155, 10041332), (217, 7172380), (244, 6378715), (305, 5102972), (310, 5020666), (427, 3644980), (434, 3586190), (610, 2551486), (620, 2510333), (854, 1822490), (868, 1793095), (1085, 1434476), (1220, 1275743), (1708, 911245), (1891, 823060), (2135, 728996), (2170, 717238), (3782, 411530), (4270, 364498), (4340, 358619), (5879, 264740), (7564, 205765), (8540, 182249), (9455, 164612), (11758, 132370), (13237, 117580), (18910, 82306), (23516, 66185), (26474, 58790), (29395, 52948), (37820, 41153)]