15920139420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{279007}}^1$

素因数の和:279339

約数の個数: 72

約数和(自身を含む): 48443601024

約数和(自身を除く): 32523461604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 951, 1268, 1585, 1902, 2853, 3170, 3804, 4755, 5706, 6340, 9510, 11412, 14265, 19020, 28530, 57060, 279007, 558014, 837021, 1116028, 1395035, 1674042, 2511063, 2790070, 3348084, 4185105, 5022126, 5580140, 8370210, 10044252, 12555315, 16740420, 25110630, 50221260, 88445219, 176890438, 265335657, 353780876, 442226095, 530671314, 796006971, 884452190, 1061342628, 1326678285, 1592013942, 1768904380, 2653356570, 3184027884, 3980034855, 5306713140, 7960069710, 15920139420]

約数ペア:

[(1, 15920139420), (2, 7960069710), (3, 5306713140), (4, 3980034855), (5, 3184027884), (6, 2653356570), (9, 1768904380), (10, 1592013942), (12, 1326678285), (15, 1061342628), (18, 884452190), (20, 796006971), (30, 530671314), (36, 442226095), (45, 353780876), (60, 265335657), (90, 176890438), (180, 88445219), (317, 50221260), (634, 25110630), (951, 16740420), (1268, 12555315), (1585, 10044252), (1902, 8370210), (2853, 5580140), (3170, 5022126), (3804, 4185105), (4755, 3348084), (5706, 2790070), (6340, 2511063), (9510, 1674042), (11412, 1395035), (14265, 1116028), (19020, 837021), (28530, 558014), (57060, 279007)]