19801976700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{28711}}^1$

素因数の和:28769

約数の個数: 216

約数和(自身を含む): 66292562560

約数和(自身を除く): 46490585860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 25, 30, 33, 38, 44, 50, 55, 57, 60, 66, 75, 76, 95, 100, 110, 114, 121, 132, 150, 165, 190, 209, 220, 228, 242, 275, 285, 300, 330, 363, 380, 418, 475, 484, 550, 570, 605, 627, 660, 726, 825, 836, 950, 1045, 1100, 1140, 1210, 1254, 1425, 1452, 1650, 1815, 1900, 2090, 2299, 2420, 2508, 2850, 3025, 3135, 3300, 3630, 4180, 4598, 5225, 5700, 6050, 6270, 6897, 7260, 9075, 9196, 10450, 11495, 12100, 12540, 13794, 15675, 18150, 20900, 22990, 27588, 28711, 31350, 34485, 36300, 45980, 57422, 57475, 62700, 68970, 86133, 114844, 114950, 137940, 143555, 172266, 172425, 229900, 287110, 315821, 344532, 344850, 430665, 545509, 574220, 631642, 689700, 717775, 861330, 947463, 1091018, 1263284, 1435550, 1579105, 1636527, 1722660, 1894926, 2153325, 2182036, 2727545, 2871100, 3158210, 3273054, 3474031, 3789852, 4306650, 4737315, 5455090, 6000599, 6316420, 6546108, 6948062, 7895525, 8182635, 8613300, 9474630, 10422093, 10910180, 12001198, 13637725, 13896124, 15791050, 16365270, 17370155, 18001797, 18949260, 20844186, 23686575, 24002396, 27275450, 30002995, 31582100, 32730540, 34740310, 36003594, 40913175, 41688372, 47373150, 52110465, 54550900, 60005990, 66006589, 69480620, 72007188, 81826350, 86850775, 90008985, 94746300, 104220930, 120011980, 132013178, 150014975, 163652700, 173701550, 180017970, 198019767, 208441860, 260552325, 264026356, 300029950, 330032945, 347403100, 360035940, 396039534, 450044925, 521104650, 600059900, 660065890, 792079068, 900089850, 990098835, 1042209300, 1320131780, 1650164725, 1800179700, 1980197670, 3300329450, 3960395340, 4950494175, 6600658900, 9900988350, 19801976700]

約数ペア:

[(1, 19801976700), (2, 9900988350), (3, 6600658900), (4, 4950494175), (5, 3960395340), (6, 3300329450), (10, 1980197670), (11, 1800179700), (12, 1650164725), (15, 1320131780), (19, 1042209300), (20, 990098835), (22, 900089850), (25, 792079068), (30, 660065890), (33, 600059900), (38, 521104650), (44, 450044925), (50, 396039534), (55, 360035940), (57, 347403100), (60, 330032945), (66, 300029950), (75, 264026356), (76, 260552325), (95, 208441860), (100, 198019767), (110, 180017970), (114, 173701550), (121, 163652700), (132, 150014975), (150, 132013178), (165, 120011980), (190, 104220930), (209, 94746300), (220, 90008985), (228, 86850775), (242, 81826350), (275, 72007188), (285, 69480620), (300, 66006589), (330, 60005990), (363, 54550900), (380, 52110465), (418, 47373150), (475, 41688372), (484, 40913175), (550, 36003594), (570, 34740310), (605, 32730540), (627, 31582100), (660, 30002995), (726, 27275450), (825, 24002396), (836, 23686575), (950, 20844186), (1045, 18949260), (1100, 18001797), (1140, 17370155), (1210, 16365270), (1254, 15791050), (1425, 13896124), (1452, 13637725), (1650, 12001198), (1815, 10910180), (1900, 10422093), (2090, 9474630), (2299, 8613300), (2420, 8182635), (2508, 7895525), (2850, 6948062), (3025, 6546108), (3135, 6316420), (3300, 6000599), (3630, 5455090), (4180, 4737315), (4598, 4306650), (5225, 3789852), (5700, 3474031), (6050, 3273054), (6270, 3158210), (6897, 2871100), (7260, 2727545), (9075, 2182036), (9196, 2153325), (10450, 1894926), (11495, 1722660), (12100, 1636527), (12540, 1579105), (13794, 1435550), (15675, 1263284), (18150, 1091018), (20900, 947463), (22990, 861330), (27588, 717775), (28711, 689700), (31350, 631642), (34485, 574220), (36300, 545509), (45980, 430665), (57422, 344850), (57475, 344532), (62700, 315821), (68970, 287110), (86133, 229900), (114844, 172425), (114950, 172266), (137940, 143555)]