30682980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 93525432

約数和(自身を除く): 62842452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 457, 746, 914, 1119, 1371, 1492, 1828, 1865, 2238, 2285, 2742, 3357, 3730, 4113, 4476, 4570, 5484, 5595, 6714, 6855, 7460, 8226, 9140, 11190, 13428, 13710, 16452, 16785, 20565, 22380, 27420, 33570, 41130, 67140, 82260, 170461, 340922, 511383, 681844, 852305, 1022766, 1534149, 1704610, 2045532, 2556915, 3068298, 3409220, 5113830, 6136596, 7670745, 10227660, 15341490, 30682980]

約数ペア:

[(1, 30682980), (2, 15341490), (3, 10227660), (4, 7670745), (5, 6136596), (6, 5113830), (9, 3409220), (10, 3068298), (12, 2556915), (15, 2045532), (18, 1704610), (20, 1534149), (30, 1022766), (36, 852305), (45, 681844), (60, 511383), (90, 340922), (180, 170461), (373, 82260), (457, 67140), (746, 41130), (914, 33570), (1119, 27420), (1371, 22380), (1492, 20565), (1828, 16785), (1865, 16452), (2238, 13710), (2285, 13428), (2742, 11190), (3357, 9140), (3730, 8226), (4113, 7460), (4476, 6855), (4570, 6714), (5484, 5595)]