207518940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31159}}^1$

素因数の和:31211

約数の個数: 72

約数和(自身を含む): 646507680

約数和(自身を除く): 438988740

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, 31159, 62318, 93477, 124636, 155795, 186954, 280431, 311590, 373908, 467385, 560862, 623180, 934770, 1121724, 1152883, 1402155, 1869540, 2305766, 2804310, 3458649, 4611532, 5608620, 5764415, 6917298, 10375947, 11528830, 13834596, 17293245, 20751894, 23057660, 34586490, 41503788, 51879735, 69172980, 103759470, 207518940]

約数ペア:

[(1, 207518940), (2, 103759470), (3, 69172980), (4, 51879735), (5, 41503788), (6, 34586490), (9, 23057660), (10, 20751894), (12, 17293245), (15, 13834596), (18, 11528830), (20, 10375947), (30, 6917298), (36, 5764415), (37, 5608620), (45, 4611532), (60, 3458649), (74, 2804310), (90, 2305766), (111, 1869540), (148, 1402155), (180, 1152883), (185, 1121724), (222, 934770), (333, 623180), (370, 560862), (444, 467385), (555, 373908), (666, 311590), (740, 280431), (1110, 186954), (1332, 155795), (1665, 124636), (2220, 93477), (3330, 62318), (6660, 31159)]