255648240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2383}}^1$

素因数の和:2551

約数の個数: 120

約数和(自身を含む): 864676800

約数和(自身を除く): 609028560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 240, 298, 360, 447, 596, 720, 745, 894, 1192, 1341, 1490, 1788, 2235, 2383, 2384, 2682, 2980, 3576, 4470, 4766, 5364, 5960, 6705, 7149, 7152, 8940, 9532, 10728, 11915, 11920, 13410, 14298, 17880, 19064, 21447, 21456, 23830, 26820, 28596, 35745, 35760, 38128, 42894, 47660, 53640, 57192, 71490, 85788, 95320, 107235, 107280, 114384, 142980, 171576, 190640, 214470, 285960, 343152, 355067, 428940, 571920, 710134, 857880, 1065201, 1420268, 1715760, 1775335, 2130402, 2840536, 3195603, 3550670, 4260804, 5326005, 5681072, 6391206, 7101340, 8521608, 10652010, 12782412, 14202680, 15978015, 17043216, 21304020, 25564824, 28405360, 31956030, 42608040, 51129648, 63912060, 85216080, 127824120, 255648240]

約数ペア:

[(1, 255648240), (2, 127824120), (3, 85216080), (4, 63912060), (5, 51129648), (6, 42608040), (8, 31956030), (9, 28405360), (10, 25564824), (12, 21304020), (15, 17043216), (16, 15978015), (18, 14202680), (20, 12782412), (24, 10652010), (30, 8521608), (36, 7101340), (40, 6391206), (45, 5681072), (48, 5326005), (60, 4260804), (72, 3550670), (80, 3195603), (90, 2840536), (120, 2130402), (144, 1775335), (149, 1715760), (180, 1420268), (240, 1065201), (298, 857880), (360, 710134), (447, 571920), (596, 428940), (720, 355067), (745, 343152), (894, 285960), (1192, 214470), (1341, 190640), (1490, 171576), (1788, 142980), (2235, 114384), (2383, 107280), (2384, 107235), (2682, 95320), (2980, 85788), (3576, 71490), (4470, 57192), (4766, 53640), (5364, 47660), (5960, 42894), (6705, 38128), (7149, 35760), (7152, 35745), (8940, 28596), (9532, 26820), (10728, 23830), (11915, 21456), (11920, 21447), (13410, 19064), (14298, 17880)]