61561260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4817}}^1$

素因数の和:4903

約数の個数: 72

約数和(自身を含む): 189405216

約数和(自身を除く): 127843956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 4817, 6390, 9634, 12780, 14451, 19268, 24085, 28902, 43353, 48170, 57804, 72255, 86706, 96340, 144510, 173412, 216765, 289020, 342007, 433530, 684014, 867060, 1026021, 1368028, 1710035, 2052042, 3078063, 3420070, 4104084, 5130105, 6156126, 6840140, 10260210, 12312252, 15390315, 20520420, 30780630, 61561260]

約数ペア:

[(1, 61561260), (2, 30780630), (3, 20520420), (4, 15390315), (5, 12312252), (6, 10260210), (9, 6840140), (10, 6156126), (12, 5130105), (15, 4104084), (18, 3420070), (20, 3078063), (30, 2052042), (36, 1710035), (45, 1368028), (60, 1026021), (71, 867060), (90, 684014), (142, 433530), (180, 342007), (213, 289020), (284, 216765), (355, 173412), (426, 144510), (639, 96340), (710, 86706), (852, 72255), (1065, 57804), (1278, 48170), (1420, 43353), (2130, 28902), (2556, 24085), (3195, 19268), (4260, 14451), (4817, 12780), (6390, 9634)]