28553220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 91636272

約数和(自身を除く): 63083052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 53, 60, 73, 82, 90, 106, 123, 146, 159, 164, 180, 205, 212, 219, 246, 265, 292, 318, 365, 369, 410, 438, 477, 492, 530, 615, 636, 657, 730, 738, 795, 820, 876, 954, 1060, 1095, 1230, 1314, 1460, 1476, 1590, 1845, 1908, 2173, 2190, 2385, 2460, 2628, 2993, 3180, 3285, 3690, 3869, 4346, 4380, 4770, 5986, 6519, 6570, 7380, 7738, 8692, 8979, 9540, 10865, 11607, 11972, 13038, 13140, 14965, 15476, 17958, 19345, 19557, 21730, 23214, 26076, 26937, 29930, 32595, 34821, 35916, 38690, 39114, 43460, 44895, 46428, 53874, 58035, 59860, 65190, 69642, 77380, 78228, 89790, 97785, 107748, 116070, 130380, 134685, 139284, 158629, 174105, 179580, 195570, 232140, 269370, 317258, 348210, 391140, 475887, 538740, 634516, 696420, 793145, 951774, 1427661, 1586290, 1903548, 2379435, 2855322, 3172580, 4758870, 5710644, 7138305, 9517740, 14276610, 28553220]

約数ペア:

[(1, 28553220), (2, 14276610), (3, 9517740), (4, 7138305), (5, 5710644), (6, 4758870), (9, 3172580), (10, 2855322), (12, 2379435), (15, 1903548), (18, 1586290), (20, 1427661), (30, 951774), (36, 793145), (41, 696420), (45, 634516), (53, 538740), (60, 475887), (73, 391140), (82, 348210), (90, 317258), (106, 269370), (123, 232140), (146, 195570), (159, 179580), (164, 174105), (180, 158629), (205, 139284), (212, 134685), (219, 130380), (246, 116070), (265, 107748), (292, 97785), (318, 89790), (365, 78228), (369, 77380), (410, 69642), (438, 65190), (477, 59860), (492, 58035), (530, 53874), (615, 46428), (636, 44895), (657, 43460), (730, 39114), (738, 38690), (795, 35916), (820, 34821), (876, 32595), (954, 29930), (1060, 26937), (1095, 26076), (1230, 23214), (1314, 21730), (1460, 19557), (1476, 19345), (1590, 17958), (1845, 15476), (1908, 14965), (2173, 13140), (2190, 13038), (2385, 11972), (2460, 11607), (2628, 10865), (2993, 9540), (3180, 8979), (3285, 8692), (3690, 7738), (3869, 7380), (4346, 6570), (4380, 6519), (4770, 5986)]