13261920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{3947}}^1$

素因数の和:3972

約数の個数: 96

約数和(自身を含む): 47755008

約数和(自身を除く): 34493088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 3947, 7894, 11841, 15788, 19735, 23682, 27629, 31576, 39470, 47364, 55258, 59205, 63152, 78940, 82887, 94728, 110516, 118410, 126304, 138145, 157880, 165774, 189456, 221032, 236820, 276290, 315760, 331548, 378912, 414435, 442064, 473640, 552580, 631520, 663096, 828870, 884128, 947280, 1105160, 1326192, 1657740, 1894560, 2210320, 2652384, 3315480, 4420640, 6630960, 13261920]

約数ペア:

[(1, 13261920), (2, 6630960), (3, 4420640), (4, 3315480), (5, 2652384), (6, 2210320), (7, 1894560), (8, 1657740), (10, 1326192), (12, 1105160), (14, 947280), (15, 884128), (16, 828870), (20, 663096), (21, 631520), (24, 552580), (28, 473640), (30, 442064), (32, 414435), (35, 378912), (40, 331548), (42, 315760), (48, 276290), (56, 236820), (60, 221032), (70, 189456), (80, 165774), (84, 157880), (96, 138145), (105, 126304), (112, 118410), (120, 110516), (140, 94728), (160, 82887), (168, 78940), (210, 63152), (224, 59205), (240, 55258), (280, 47364), (336, 39470), (420, 31576), (480, 27629), (560, 23682), (672, 19735), (840, 15788), (1120, 11841), (1680, 7894), (3360, 3947)]