72748780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 176964480

約数和(自身を除く): 104215700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 151, 170, 218, 221, 260, 302, 340, 436, 442, 545, 604, 755, 884, 1090, 1105, 1417, 1510, 1853, 1963, 2180, 2210, 2567, 2834, 3020, 3706, 3926, 4420, 5134, 5668, 7085, 7412, 7852, 9265, 9815, 10268, 12835, 14170, 16459, 18530, 19630, 24089, 25670, 28340, 32918, 33371, 37060, 39260, 48178, 51340, 65836, 66742, 82295, 96356, 120445, 133484, 164590, 166855, 213967, 240890, 279803, 329180, 333710, 427934, 481780, 559606, 667420, 855868, 1069835, 1119212, 1399015, 2139670, 2798030, 3637439, 4279340, 5596060, 7274878, 14549756, 18187195, 36374390, 72748780]

約数ペア:

[(1, 72748780), (2, 36374390), (4, 18187195), (5, 14549756), (10, 7274878), (13, 5596060), (17, 4279340), (20, 3637439), (26, 2798030), (34, 2139670), (52, 1399015), (65, 1119212), (68, 1069835), (85, 855868), (109, 667420), (130, 559606), (151, 481780), (170, 427934), (218, 333710), (221, 329180), (260, 279803), (302, 240890), (340, 213967), (436, 166855), (442, 164590), (545, 133484), (604, 120445), (755, 96356), (884, 82295), (1090, 66742), (1105, 65836), (1417, 51340), (1510, 48178), (1853, 39260), (1963, 37060), (2180, 33371), (2210, 32918), (2567, 28340), (2834, 25670), (3020, 24089), (3706, 19630), (3926, 18530), (4420, 16459), (5134, 14170), (5668, 12835), (7085, 10268), (7412, 9815), (7852, 9265)]