628502355

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 1273708800

約数和(自身を除く): 645206445

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 53, 65, 87, 117, 135, 145, 159, 195, 233, 261, 265, 351, 377, 435, 477, 585, 689, 699, 783, 795, 1131, 1165, 1305, 1431, 1537, 1755, 1885, 2067, 2097, 2385, 3029, 3393, 3445, 3495, 3915, 4611, 5655, 6201, 6291, 6757, 7155, 7685, 9087, 10179, 10335, 10485, 12349, 13833, 15145, 16965, 18603, 19981, 20271, 23055, 27261, 31005, 31455, 33785, 37047, 41499, 45435, 50895, 59943, 60813, 61745, 69165, 81783, 87841, 93015, 99905, 101355, 111141, 136305, 160537, 179829, 182439, 185235, 207495, 263523, 299715, 304065, 333423, 358121, 408915, 439205, 481611, 539487, 555705, 790569, 802685, 899145, 912195, 1074363, 1317615, 1444833, 1667115, 1790605, 2371707, 2408055, 2697435, 3223089, 3952845, 4334499, 4655573, 5371815, 7224165, 9669267, 11858535, 13966719, 16115445, 21672495, 23277865, 41900157, 48346335, 69833595, 125700471, 209500785, 628502355]

約数ペア:

[(1, 628502355), (3, 209500785), (5, 125700471), (9, 69833595), (13, 48346335), (15, 41900157), (27, 23277865), (29, 21672495), (39, 16115445), (45, 13966719), (53, 11858535), (65, 9669267), (87, 7224165), (117, 5371815), (135, 4655573), (145, 4334499), (159, 3952845), (195, 3223089), (233, 2697435), (261, 2408055), (265, 2371707), (351, 1790605), (377, 1667115), (435, 1444833), (477, 1317615), (585, 1074363), (689, 912195), (699, 899145), (783, 802685), (795, 790569), (1131, 555705), (1165, 539487), (1305, 481611), (1431, 439205), (1537, 408915), (1755, 358121), (1885, 333423), (2067, 304065), (2097, 299715), (2385, 263523), (3029, 207495), (3393, 185235), (3445, 182439), (3495, 179829), (3915, 160537), (4611, 136305), (5655, 111141), (6201, 101355), (6291, 99905), (6757, 93015), (7155, 87841), (7685, 81783), (9087, 69165), (10179, 61745), (10335, 60813), (10485, 59943), (12349, 50895), (13833, 45435), (15145, 41499), (16965, 37047), (18603, 33785), (19981, 31455), (20271, 31005), (23055, 27261)]