245797380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2621}}^1$

素因数の和:3157

約数の個数: 72

約数和(自身を含む): 747301464

約数和(自身を除く): 501504084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2605, 2621, 3126, 4689, 5210, 5242, 6252, 7815, 7863, 9378, 10420, 10484, 13105, 15630, 15726, 18756, 23445, 23589, 26210, 31260, 31452, 39315, 46890, 47178, 52420, 78630, 93780, 94356, 117945, 157260, 235890, 471780, 1365541, 2731082, 4096623, 5462164, 6827705, 8193246, 12289869, 13655410, 16386492, 20483115, 24579738, 27310820, 40966230, 49159476, 61449345, 81932460, 122898690, 245797380]

約数ペア:

[(1, 245797380), (2, 122898690), (3, 81932460), (4, 61449345), (5, 49159476), (6, 40966230), (9, 27310820), (10, 24579738), (12, 20483115), (15, 16386492), (18, 13655410), (20, 12289869), (30, 8193246), (36, 6827705), (45, 5462164), (60, 4096623), (90, 2731082), (180, 1365541), (521, 471780), (1042, 235890), (1563, 157260), (2084, 117945), (2605, 94356), (2621, 93780), (3126, 78630), (4689, 52420), (5210, 47178), (5242, 46890), (6252, 39315), (7815, 31452), (7863, 31260), (9378, 26210), (10420, 23589), (10484, 23445), (13105, 18756), (15630, 15726)]