81207900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1625

約数の個数: 144

約数和(自身を含む): 274982400

約数和(自身を除く): 193774500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 380, 450, 475, 513, 540, 570, 675, 684, 855, 900, 950, 1026, 1140, 1350, 1425, 1583, 1710, 1900, 2052, 2565, 2700, 2850, 3166, 3420, 4275, 4749, 5130, 5700, 6332, 7915, 8550, 9498, 10260, 12825, 14247, 15830, 17100, 18996, 23745, 25650, 28494, 30077, 31660, 39575, 42741, 47490, 51300, 56988, 60154, 71235, 79150, 85482, 90231, 94980, 118725, 120308, 142470, 150385, 158300, 170964, 180462, 213705, 237450, 270693, 284940, 300770, 356175, 360924, 427410, 451155, 474900, 541386, 601540, 712350, 751925, 812079, 854820, 902310, 1068525, 1082772, 1353465, 1424700, 1503850, 1624158, 1804620, 2137050, 2255775, 2706930, 3007700, 3248316, 4060395, 4274100, 4511550, 5413860, 6767325, 8120790, 9023100, 13534650, 16241580, 20301975, 27069300, 40603950, 81207900]

約数ペア:

[(1, 81207900), (2, 40603950), (3, 27069300), (4, 20301975), (5, 16241580), (6, 13534650), (9, 9023100), (10, 8120790), (12, 6767325), (15, 5413860), (18, 4511550), (19, 4274100), (20, 4060395), (25, 3248316), (27, 3007700), (30, 2706930), (36, 2255775), (38, 2137050), (45, 1804620), (50, 1624158), (54, 1503850), (57, 1424700), (60, 1353465), (75, 1082772), (76, 1068525), (90, 902310), (95, 854820), (100, 812079), (108, 751925), (114, 712350), (135, 601540), (150, 541386), (171, 474900), (180, 451155), (190, 427410), (225, 360924), (228, 356175), (270, 300770), (285, 284940), (300, 270693), (342, 237450), (380, 213705), (450, 180462), (475, 170964), (513, 158300), (540, 150385), (570, 142470), (675, 120308), (684, 118725), (855, 94980), (900, 90231), (950, 85482), (1026, 79150), (1140, 71235), (1350, 60154), (1425, 56988), (1583, 51300), (1710, 47490), (1900, 42741), (2052, 39575), (2565, 31660), (2700, 30077), (2850, 28494), (3166, 25650), (3420, 23745), (4275, 18996), (4749, 17100), (5130, 15830), (5700, 14247), (6332, 12825), (7915, 10260), (8550, 9498)]