169181820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2141}}^1$

素因数の和:2595

約数の個数: 72

約数和(自身を含む): 514594080

約数和(自身を除く): 345412260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2141, 2195, 2634, 3951, 4282, 4390, 5268, 6423, 6585, 7902, 8564, 8780, 10705, 12846, 13170, 15804, 19269, 19755, 21410, 25692, 26340, 32115, 38538, 39510, 42820, 64230, 77076, 79020, 96345, 128460, 192690, 385380, 939899, 1879798, 2819697, 3759596, 4699495, 5639394, 8459091, 9398990, 11278788, 14098485, 16918182, 18797980, 28196970, 33836364, 42295455, 56393940, 84590910, 169181820]

約数ペア:

[(1, 169181820), (2, 84590910), (3, 56393940), (4, 42295455), (5, 33836364), (6, 28196970), (9, 18797980), (10, 16918182), (12, 14098485), (15, 11278788), (18, 9398990), (20, 8459091), (30, 5639394), (36, 4699495), (45, 3759596), (60, 2819697), (90, 1879798), (180, 939899), (439, 385380), (878, 192690), (1317, 128460), (1756, 96345), (2141, 79020), (2195, 77076), (2634, 64230), (3951, 42820), (4282, 39510), (4390, 38538), (5268, 32115), (6423, 26340), (6585, 25692), (7902, 21410), (8564, 19755), (8780, 19269), (10705, 15804), (12846, 13170)]