248201720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 632016000

約数和(自身を除く): 383814280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 109, 116, 130, 145, 151, 218, 232, 260, 290, 302, 377, 436, 520, 545, 580, 604, 754, 755, 872, 1090, 1160, 1208, 1417, 1508, 1510, 1885, 1963, 2180, 2834, 3016, 3020, 3161, 3770, 3926, 4360, 4379, 5668, 6040, 6322, 7085, 7540, 7852, 8758, 9815, 11336, 12644, 14170, 15080, 15704, 15805, 16459, 17516, 19630, 21895, 25288, 28340, 31610, 32918, 35032, 39260, 41093, 43790, 56680, 56927, 63220, 65836, 78520, 82186, 82295, 87580, 113854, 126440, 131672, 164372, 164590, 175160, 205465, 213967, 227708, 284635, 328744, 329180, 410930, 427934, 455416, 477311, 569270, 658360, 821860, 855868, 954622, 1069835, 1138540, 1643720, 1711736, 1909244, 2139670, 2277080, 2386555, 3818488, 4279340, 4773110, 6205043, 8558680, 9546220, 12410086, 19092440, 24820172, 31025215, 49640344, 62050430, 124100860, 248201720]

約数ペア:

[(1, 248201720), (2, 124100860), (4, 62050430), (5, 49640344), (8, 31025215), (10, 24820172), (13, 19092440), (20, 12410086), (26, 9546220), (29, 8558680), (40, 6205043), (52, 4773110), (58, 4279340), (65, 3818488), (104, 2386555), (109, 2277080), (116, 2139670), (130, 1909244), (145, 1711736), (151, 1643720), (218, 1138540), (232, 1069835), (260, 954622), (290, 855868), (302, 821860), (377, 658360), (436, 569270), (520, 477311), (545, 455416), (580, 427934), (604, 410930), (754, 329180), (755, 328744), (872, 284635), (1090, 227708), (1160, 213967), (1208, 205465), (1417, 175160), (1508, 164590), (1510, 164372), (1885, 131672), (1963, 126440), (2180, 113854), (2834, 87580), (3016, 82295), (3020, 82186), (3161, 78520), (3770, 65836), (3926, 63220), (4360, 56927), (4379, 56680), (5668, 43790), (6040, 41093), (6322, 39260), (7085, 35032), (7540, 32918), (7852, 31610), (8758, 28340), (9815, 25288), (11336, 21895), (12644, 19630), (14170, 17516), (15080, 16459), (15704, 15805)]