30518460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 108029376

約数和(自身を除く): 77510916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 457, 477, 530, 630, 636, 742, 795, 914, 954, 1060, 1113, 1260, 1371, 1484, 1590, 1828, 1855, 1908, 2226, 2285, 2385, 2742, 3180, 3199, 3339, 3710, 4113, 4452, 4570, 4770, 5484, 5565, 6398, 6678, 6855, 7420, 8226, 9140, 9540, 9597, 11130, 12796, 13356, 13710, 15995, 16452, 16695, 19194, 20565, 22260, 24221, 27420, 28791, 31990, 33390, 38388, 41130, 47985, 48442, 57582, 63980, 66780, 72663, 82260, 95970, 96884, 115164, 121105, 143955, 145326, 169547, 191940, 217989, 242210, 287910, 290652, 339094, 363315, 435978, 484420, 508641, 575820, 678188, 726630, 847735, 871956, 1017282, 1089945, 1453260, 1525923, 1695470, 2034564, 2179890, 2543205, 3051846, 3390940, 4359780, 5086410, 6103692, 7629615, 10172820, 15259230, 30518460]

約数ペア:

[(1, 30518460), (2, 15259230), (3, 10172820), (4, 7629615), (5, 6103692), (6, 5086410), (7, 4359780), (9, 3390940), (10, 3051846), (12, 2543205), (14, 2179890), (15, 2034564), (18, 1695470), (20, 1525923), (21, 1453260), (28, 1089945), (30, 1017282), (35, 871956), (36, 847735), (42, 726630), (45, 678188), (53, 575820), (60, 508641), (63, 484420), (70, 435978), (84, 363315), (90, 339094), (105, 290652), (106, 287910), (126, 242210), (140, 217989), (159, 191940), (180, 169547), (210, 145326), (212, 143955), (252, 121105), (265, 115164), (315, 96884), (318, 95970), (371, 82260), (420, 72663), (457, 66780), (477, 63980), (530, 57582), (630, 48442), (636, 47985), (742, 41130), (795, 38388), (914, 33390), (954, 31990), (1060, 28791), (1113, 27420), (1260, 24221), (1371, 22260), (1484, 20565), (1590, 19194), (1828, 16695), (1855, 16452), (1908, 15995), (2226, 13710), (2285, 13356), (2385, 12796), (2742, 11130), (3180, 9597), (3199, 9540), (3339, 9140), (3710, 8226), (4113, 7420), (4452, 6855), (4570, 6678), (4770, 6398), (5484, 5565)]