1213511940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{182209}}^1$

素因数の和:182261

約数の個数: 72

約数和(自身を含む): 3780493080

約数和(自身を除く): 2566981140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 182209, 364418, 546627, 728836, 911045, 1093254, 1639881, 1822090, 2186508, 2733135, 3279762, 3644180, 5466270, 6559524, 6741733, 8199405, 10932540, 13483466, 16398810, 20225199, 26966932, 32797620, 33708665, 40450398, 60675597, 67417330, 80900796, 101125995, 121351194, 134834660, 202251990, 242702388, 303377985, 404503980, 606755970, 1213511940]

約数ペア:

[(1, 1213511940), (2, 606755970), (3, 404503980), (4, 303377985), (5, 242702388), (6, 202251990), (9, 134834660), (10, 121351194), (12, 101125995), (15, 80900796), (18, 67417330), (20, 60675597), (30, 40450398), (36, 33708665), (37, 32797620), (45, 26966932), (60, 20225199), (74, 16398810), (90, 13483466), (111, 10932540), (148, 8199405), (180, 6741733), (185, 6559524), (222, 5466270), (333, 3644180), (370, 3279762), (444, 2733135), (555, 2186508), (666, 1822090), (740, 1639881), (1110, 1093254), (1332, 911045), (1665, 728836), (2220, 546627), (3330, 364418), (6660, 182209)]