220255280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 614210688

約数和(自身を除く): 393955408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 53, 56, 70, 80, 82, 106, 112, 140, 164, 181, 205, 212, 265, 280, 287, 328, 362, 371, 410, 424, 530, 560, 574, 656, 724, 742, 820, 848, 905, 1060, 1148, 1267, 1435, 1448, 1484, 1640, 1810, 1855, 2120, 2173, 2296, 2534, 2870, 2896, 2968, 3280, 3620, 3710, 4240, 4346, 4592, 5068, 5740, 5936, 6335, 7240, 7420, 7421, 8692, 9593, 10136, 10865, 11480, 12670, 14480, 14840, 14842, 15211, 17384, 19186, 20272, 21730, 22960, 25340, 29680, 29684, 30422, 34768, 37105, 38372, 43460, 47965, 50680, 51947, 59368, 60844, 67151, 74210, 76055, 76744, 86920, 95930, 101360, 103894, 118736, 121688, 134302, 148420, 152110, 153488, 173840, 191860, 207788, 243376, 259735, 268604, 296840, 304220, 335755, 383720, 393313, 415576, 519470, 537208, 593680, 608440, 671510, 767440, 786626, 831152, 1038940, 1074416, 1216880, 1343020, 1573252, 1966565, 2077880, 2686040, 2753191, 3146504, 3933130, 4155760, 5372080, 5506382, 6293008, 7866260, 11012764, 13765955, 15732520, 22025528, 27531910, 31465040, 44051056, 55063820, 110127640, 220255280]

約数ペア:

[(1, 220255280), (2, 110127640), (4, 55063820), (5, 44051056), (7, 31465040), (8, 27531910), (10, 22025528), (14, 15732520), (16, 13765955), (20, 11012764), (28, 7866260), (35, 6293008), (40, 5506382), (41, 5372080), (53, 4155760), (56, 3933130), (70, 3146504), (80, 2753191), (82, 2686040), (106, 2077880), (112, 1966565), (140, 1573252), (164, 1343020), (181, 1216880), (205, 1074416), (212, 1038940), (265, 831152), (280, 786626), (287, 767440), (328, 671510), (362, 608440), (371, 593680), (410, 537208), (424, 519470), (530, 415576), (560, 393313), (574, 383720), (656, 335755), (724, 304220), (742, 296840), (820, 268604), (848, 259735), (905, 243376), (1060, 207788), (1148, 191860), (1267, 173840), (1435, 153488), (1448, 152110), (1484, 148420), (1640, 134302), (1810, 121688), (1855, 118736), (2120, 103894), (2173, 101360), (2296, 95930), (2534, 86920), (2870, 76744), (2896, 76055), (2968, 74210), (3280, 67151), (3620, 60844), (3710, 59368), (4240, 51947), (4346, 50680), (4592, 47965), (5068, 43460), (5740, 38372), (5936, 37105), (6335, 34768), (7240, 30422), (7420, 29684), (7421, 29680), (8692, 25340), (9593, 22960), (10136, 21730), (10865, 20272), (11480, 19186), (12670, 17384), (14480, 15211), (14840, 14842)]