61281780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 199874304

約数和(自身を除く): 138592524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 2753, 3180, 3710, 4452, 5506, 5565, 7420, 8259, 11012, 11130, 13765, 16518, 19271, 22260, 27530, 33036, 38542, 41295, 55060, 57813, 77084, 82590, 96355, 115626, 145909, 165180, 192710, 231252, 289065, 291818, 385420, 437727, 578130, 583636, 729545, 875454, 1021363, 1156260, 1459090, 1750908, 2042726, 2188635, 2918180, 3064089, 4085452, 4377270, 5106815, 6128178, 8754540, 10213630, 12256356, 15320445, 20427260, 30640890, 61281780]

約数ペア:

[(1, 61281780), (2, 30640890), (3, 20427260), (4, 15320445), (5, 12256356), (6, 10213630), (7, 8754540), (10, 6128178), (12, 5106815), (14, 4377270), (15, 4085452), (20, 3064089), (21, 2918180), (28, 2188635), (30, 2042726), (35, 1750908), (42, 1459090), (53, 1156260), (60, 1021363), (70, 875454), (84, 729545), (105, 583636), (106, 578130), (140, 437727), (159, 385420), (210, 291818), (212, 289065), (265, 231252), (318, 192710), (371, 165180), (420, 145909), (530, 115626), (636, 96355), (742, 82590), (795, 77084), (1060, 57813), (1113, 55060), (1484, 41295), (1590, 38542), (1855, 33036), (2226, 27530), (2753, 22260), (3180, 19271), (3710, 16518), (4452, 13765), (5506, 11130), (5565, 11012), (7420, 8259)]