15737820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 52744608

約数和(自身を除く): 37006788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 101, 105, 106, 140, 147, 159, 196, 202, 210, 212, 245, 265, 294, 303, 318, 371, 404, 420, 490, 505, 530, 588, 606, 636, 707, 735, 742, 795, 980, 1010, 1060, 1113, 1212, 1414, 1470, 1484, 1515, 1590, 1855, 2020, 2121, 2226, 2597, 2828, 2940, 3030, 3180, 3535, 3710, 4242, 4452, 4949, 5194, 5353, 5565, 6060, 7070, 7420, 7791, 8484, 9898, 10388, 10605, 10706, 11130, 12985, 14140, 14847, 15582, 16059, 19796, 21210, 21412, 22260, 24745, 25970, 26765, 29694, 31164, 32118, 37471, 38955, 42420, 49490, 51940, 53530, 59388, 64236, 74235, 74942, 77910, 80295, 98980, 107060, 112413, 148470, 149884, 155820, 160590, 187355, 224826, 262297, 296940, 321180, 374710, 449652, 524594, 562065, 749420, 786891, 1049188, 1124130, 1311485, 1573782, 2248260, 2622970, 3147564, 3934455, 5245940, 7868910, 15737820]

約数ペア:

[(1, 15737820), (2, 7868910), (3, 5245940), (4, 3934455), (5, 3147564), (6, 2622970), (7, 2248260), (10, 1573782), (12, 1311485), (14, 1124130), (15, 1049188), (20, 786891), (21, 749420), (28, 562065), (30, 524594), (35, 449652), (42, 374710), (49, 321180), (53, 296940), (60, 262297), (70, 224826), (84, 187355), (98, 160590), (101, 155820), (105, 149884), (106, 148470), (140, 112413), (147, 107060), (159, 98980), (196, 80295), (202, 77910), (210, 74942), (212, 74235), (245, 64236), (265, 59388), (294, 53530), (303, 51940), (318, 49490), (371, 42420), (404, 38955), (420, 37471), (490, 32118), (505, 31164), (530, 29694), (588, 26765), (606, 25970), (636, 24745), (707, 22260), (735, 21412), (742, 21210), (795, 19796), (980, 16059), (1010, 15582), (1060, 14847), (1113, 14140), (1212, 12985), (1414, 11130), (1470, 10706), (1484, 10605), (1515, 10388), (1590, 9898), (1855, 8484), (2020, 7791), (2121, 7420), (2226, 7070), (2597, 6060), (2828, 5565), (2940, 5353), (3030, 5194), (3180, 4949), (3535, 4452), (3710, 4242)]