2780452880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1\times {\mathrm{919}}^1$

素因数の和:1632

約数の個数: 80

約数和(自身を含む): 6591542400

約数和(自身を除く): 3811089520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 641, 919, 944, 1180, 1282, 1838, 2360, 2564, 3205, 3676, 4595, 4720, 5128, 6410, 7352, 9190, 10256, 12820, 14704, 18380, 25640, 36760, 37819, 51280, 54221, 73520, 75638, 108442, 151276, 189095, 216884, 271105, 302552, 378190, 433768, 542210, 589079, 605104, 756380, 867536, 1084420, 1178158, 1512760, 2168840, 2356316, 2945395, 3025520, 4337680, 4712632, 5890790, 9425264, 11781580, 23563160, 34755661, 47126320, 69511322, 139022644, 173778305, 278045288, 347556610, 556090576, 695113220, 1390226440, 2780452880]

約数ペア:

[(1, 2780452880), (2, 1390226440), (4, 695113220), (5, 556090576), (8, 347556610), (10, 278045288), (16, 173778305), (20, 139022644), (40, 69511322), (59, 47126320), (80, 34755661), (118, 23563160), (236, 11781580), (295, 9425264), (472, 5890790), (590, 4712632), (641, 4337680), (919, 3025520), (944, 2945395), (1180, 2356316), (1282, 2168840), (1838, 1512760), (2360, 1178158), (2564, 1084420), (3205, 867536), (3676, 756380), (4595, 605104), (4720, 589079), (5128, 542210), (6410, 433768), (7352, 378190), (9190, 302552), (10256, 271105), (12820, 216884), (14704, 189095), (18380, 151276), (25640, 108442), (36760, 75638), (37819, 73520), (51280, 54221)]