81223105140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{301027}}^1$

素因数の和:302541

約数の個数: 72

約数和(自身を含む): 246541932000

約数和(自身を除く): 165318826860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1499, 2998, 4497, 5996, 7495, 8994, 13491, 14990, 17988, 22485, 26982, 29980, 44970, 53964, 67455, 89940, 134910, 269820, 301027, 602054, 903081, 1204108, 1505135, 1806162, 2709243, 3010270, 3612324, 4515405, 5418486, 6020540, 9030810, 10836972, 13546215, 18061620, 27092430, 54184860, 451239473, 902478946, 1353718419, 1804957892, 2256197365, 2707436838, 4061155257, 4512394730, 5414873676, 6768592095, 8122310514, 9024789460, 13537184190, 16244621028, 20305776285, 27074368380, 40611552570, 81223105140]

約数ペア:

[(1, 81223105140), (2, 40611552570), (3, 27074368380), (4, 20305776285), (5, 16244621028), (6, 13537184190), (9, 9024789460), (10, 8122310514), (12, 6768592095), (15, 5414873676), (18, 4512394730), (20, 4061155257), (30, 2707436838), (36, 2256197365), (45, 1804957892), (60, 1353718419), (90, 902478946), (180, 451239473), (1499, 54184860), (2998, 27092430), (4497, 18061620), (5996, 13546215), (7495, 10836972), (8994, 9030810), (13491, 6020540), (14990, 5418486), (17988, 4515405), (22485, 3612324), (26982, 3010270), (29980, 2709243), (44970, 1806162), (53964, 1505135), (67455, 1204108), (89940, 903081), (134910, 602054), (269820, 301027)]