179782890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 520680960

約数和(自身を除く): 340898070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 53, 58, 70, 87, 105, 106, 145, 159, 174, 203, 210, 265, 290, 318, 371, 406, 435, 530, 557, 609, 742, 795, 870, 1015, 1113, 1114, 1218, 1537, 1590, 1671, 1855, 2030, 2226, 2785, 3045, 3074, 3342, 3710, 3899, 4611, 5565, 5570, 6090, 7685, 7798, 8355, 9222, 10759, 11130, 11697, 15370, 16153, 16710, 19495, 21518, 23055, 23394, 29521, 32277, 32306, 38990, 46110, 48459, 53795, 58485, 59042, 64554, 80765, 88563, 96918, 107590, 113071, 116970, 147605, 161385, 161530, 177126, 206647, 226142, 242295, 295210, 322770, 339213, 413294, 442815, 484590, 565355, 619941, 678426, 856109, 885630, 1033235, 1130710, 1239882, 1696065, 1712218, 2066470, 2568327, 3099705, 3392130, 4280545, 5136654, 5992763, 6199410, 8561090, 11985526, 12841635, 17978289, 25683270, 29963815, 35956578, 59927630, 89891445, 179782890]

約数ペア:

[(1, 179782890), (2, 89891445), (3, 59927630), (5, 35956578), (6, 29963815), (7, 25683270), (10, 17978289), (14, 12841635), (15, 11985526), (21, 8561090), (29, 6199410), (30, 5992763), (35, 5136654), (42, 4280545), (53, 3392130), (58, 3099705), (70, 2568327), (87, 2066470), (105, 1712218), (106, 1696065), (145, 1239882), (159, 1130710), (174, 1033235), (203, 885630), (210, 856109), (265, 678426), (290, 619941), (318, 565355), (371, 484590), (406, 442815), (435, 413294), (530, 339213), (557, 322770), (609, 295210), (742, 242295), (795, 226142), (870, 206647), (1015, 177126), (1113, 161530), (1114, 161385), (1218, 147605), (1537, 116970), (1590, 113071), (1671, 107590), (1855, 96918), (2030, 88563), (2226, 80765), (2785, 64554), (3045, 59042), (3074, 58485), (3342, 53795), (3710, 48459), (3899, 46110), (4611, 38990), (5565, 32306), (5570, 32277), (6090, 29521), (7685, 23394), (7798, 23055), (8355, 21518), (9222, 19495), (10759, 16710), (11130, 16153), (11697, 15370)]