145641420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5821}}^1$

素因数の和:5975

約数の個数: 72

約数和(自身を含む): 445033680

約数和(自身を除く): 299392260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 5821, 6255, 8340, 11642, 12510, 17463, 23284, 25020, 29105, 34926, 52389, 58210, 69852, 87315, 104778, 116420, 174630, 209556, 261945, 349260, 523890, 809119, 1047780, 1618238, 2427357, 3236476, 4045595, 4854714, 7282071, 8091190, 9709428, 12136785, 14564142, 16182380, 24273570, 29128284, 36410355, 48547140, 72820710, 145641420]

約数ペア:

[(1, 145641420), (2, 72820710), (3, 48547140), (4, 36410355), (5, 29128284), (6, 24273570), (9, 16182380), (10, 14564142), (12, 12136785), (15, 9709428), (18, 8091190), (20, 7282071), (30, 4854714), (36, 4045595), (45, 3236476), (60, 2427357), (90, 1618238), (139, 1047780), (180, 809119), (278, 523890), (417, 349260), (556, 261945), (695, 209556), (834, 174630), (1251, 116420), (1390, 104778), (1668, 87315), (2085, 69852), (2502, 58210), (2780, 52389), (4170, 34926), (5004, 29105), (5821, 25020), (6255, 23284), (8340, 17463), (11642, 12510)]