1277772720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{760579}}^1$

素因数の和:760602

約数の個数: 80

約数和(自身を含む): 4526972160

約数和(自身を除く): 3249199440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 760579, 1521158, 2281737, 3042316, 3802895, 4563474, 5324053, 6084632, 7605790, 9126948, 10648106, 11408685, 12169264, 15211580, 15972159, 18253896, 21296212, 22817370, 26620265, 30423160, 31944318, 36507792, 42592424, 45634740, 53240530, 60846320, 63888636, 79860795, 85184848, 91269480, 106481060, 127777272, 159721590, 182538960, 212962120, 255554544, 319443180, 425924240, 638886360, 1277772720]

約数ペア:

[(1, 1277772720), (2, 638886360), (3, 425924240), (4, 319443180), (5, 255554544), (6, 212962120), (7, 182538960), (8, 159721590), (10, 127777272), (12, 106481060), (14, 91269480), (15, 85184848), (16, 79860795), (20, 63888636), (21, 60846320), (24, 53240530), (28, 45634740), (30, 42592424), (35, 36507792), (40, 31944318), (42, 30423160), (48, 26620265), (56, 22817370), (60, 21296212), (70, 18253896), (80, 15972159), (84, 15211580), (105, 12169264), (112, 11408685), (120, 10648106), (140, 9126948), (168, 7605790), (210, 6084632), (240, 5324053), (280, 4563474), (336, 3802895), (420, 3042316), (560, 2281737), (840, 1521158), (1680, 760579)]