820121436

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{179}}^2$

素因数の和:453

約数の個数: 90

約数和(自身を含む): 2183294960

約数和(自身を除く): 1363173524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 179, 237, 316, 324, 358, 474, 537, 711, 716, 948, 1074, 1422, 1611, 2133, 2148, 2844, 3222, 4266, 4833, 6399, 6444, 8532, 9666, 12798, 14141, 14499, 19332, 25596, 28282, 28998, 32041, 42423, 56564, 57996, 64082, 84846, 96123, 127269, 128164, 169692, 192246, 254538, 288369, 381807, 384492, 509076, 576738, 763614, 865107, 1145421, 1153476, 1527228, 1730214, 2290842, 2531239, 2595321, 3460428, 4581684, 5062478, 5190642, 7593717, 10124956, 10381284, 15187434, 22781151, 30374868, 45562302, 68343453, 91124604, 136686906, 205030359, 273373812, 410060718, 820121436]

約数ペア:

[(1, 820121436), (2, 410060718), (3, 273373812), (4, 205030359), (6, 136686906), (9, 91124604), (12, 68343453), (18, 45562302), (27, 30374868), (36, 22781151), (54, 15187434), (79, 10381284), (81, 10124956), (108, 7593717), (158, 5190642), (162, 5062478), (179, 4581684), (237, 3460428), (316, 2595321), (324, 2531239), (358, 2290842), (474, 1730214), (537, 1527228), (711, 1153476), (716, 1145421), (948, 865107), (1074, 763614), (1422, 576738), (1611, 509076), (2133, 384492), (2148, 381807), (2844, 288369), (3222, 254538), (4266, 192246), (4833, 169692), (6399, 128164), (6444, 127269), (8532, 96123), (9666, 84846), (12798, 64082), (14141, 57996), (14499, 56564), (19332, 42423), (25596, 32041), (28282, 28998)]