18016240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 46604160

約数和(自身を除く): 28587920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 347, 440, 472, 590, 649, 694, 880, 944, 1180, 1298, 1388, 1735, 2360, 2596, 2776, 3245, 3470, 3817, 4720, 5192, 5552, 6490, 6940, 7634, 10384, 12980, 13880, 15268, 19085, 20473, 25960, 27760, 30536, 38170, 40946, 51920, 61072, 76340, 81892, 102365, 152680, 163784, 204730, 225203, 305360, 327568, 409460, 450406, 818920, 900812, 1126015, 1637840, 1801624, 2252030, 3603248, 4504060, 9008120, 18016240]

約数ペア:

[(1, 18016240), (2, 9008120), (4, 4504060), (5, 3603248), (8, 2252030), (10, 1801624), (11, 1637840), (16, 1126015), (20, 900812), (22, 818920), (40, 450406), (44, 409460), (55, 327568), (59, 305360), (80, 225203), (88, 204730), (110, 163784), (118, 152680), (176, 102365), (220, 81892), (236, 76340), (295, 61072), (347, 51920), (440, 40946), (472, 38170), (590, 30536), (649, 27760), (694, 25960), (880, 20473), (944, 19085), (1180, 15268), (1298, 13880), (1388, 12980), (1735, 10384), (2360, 7634), (2596, 6940), (2776, 6490), (3245, 5552), (3470, 5192), (3817, 4720)]