1520488972780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8311}}^1\times {\mathrm{295079}}^1$

素因数の和:303430

約数の個数: 48

約数和(自身を含む): 3296435466240

約数和(自身を除く): 1775946493460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 8311, 16622, 33244, 41555, 83110, 166220, 257641, 295079, 515282, 590158, 1030564, 1180316, 1288205, 1475395, 2576410, 2950790, 5152820, 5901580, 9147449, 18294898, 36589796, 45737245, 91474490, 182948980, 2452401569, 4904803138, 9809606276, 12262007845, 24524015690, 49048031380, 76024448639, 152048897278, 304097794556, 380122243195, 760244486390, 1520488972780]

約数ペア:

[(1, 1520488972780), (2, 760244486390), (4, 380122243195), (5, 304097794556), (10, 152048897278), (20, 76024448639), (31, 49048031380), (62, 24524015690), (124, 12262007845), (155, 9809606276), (310, 4904803138), (620, 2452401569), (8311, 182948980), (16622, 91474490), (33244, 45737245), (41555, 36589796), (83110, 18294898), (166220, 9147449), (257641, 5901580), (295079, 5152820), (515282, 2950790), (590158, 2576410), (1030564, 1475395), (1180316, 1288205)]