220404780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{947}}^1$

素因数の和:1396

約数の個数: 96

約数和(自身を含む): 688020480

約数和(自身を除く): 467615700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 431, 540, 862, 947, 1293, 1724, 1894, 2155, 2586, 2841, 3788, 3879, 4310, 4735, 5172, 5682, 6465, 7758, 8523, 8620, 9470, 11364, 11637, 12930, 14205, 15516, 17046, 18940, 19395, 23274, 25569, 25860, 28410, 34092, 38790, 42615, 46548, 51138, 56820, 58185, 77580, 85230, 102276, 116370, 127845, 170460, 232740, 255690, 408157, 511380, 816314, 1224471, 1632628, 2040785, 2448942, 3673413, 4081570, 4897884, 6122355, 7346826, 8163140, 11020239, 12244710, 14693652, 18367065, 22040478, 24489420, 36734130, 44080956, 55101195, 73468260, 110202390, 220404780]

約数ペア:

[(1, 220404780), (2, 110202390), (3, 73468260), (4, 55101195), (5, 44080956), (6, 36734130), (9, 24489420), (10, 22040478), (12, 18367065), (15, 14693652), (18, 12244710), (20, 11020239), (27, 8163140), (30, 7346826), (36, 6122355), (45, 4897884), (54, 4081570), (60, 3673413), (90, 2448942), (108, 2040785), (135, 1632628), (180, 1224471), (270, 816314), (431, 511380), (540, 408157), (862, 255690), (947, 232740), (1293, 170460), (1724, 127845), (1894, 116370), (2155, 102276), (2586, 85230), (2841, 77580), (3788, 58185), (3879, 56820), (4310, 51138), (4735, 46548), (5172, 42615), (5682, 38790), (6465, 34092), (7758, 28410), (8523, 25860), (8620, 25569), (9470, 23274), (11364, 19395), (11637, 18940), (12930, 17046), (14205, 15516)]