421784880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1035

約数の個数: 160

約数和(自身を含む): 1435408128

約数和(自身を除く): 1013623248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 197, 220, 240, 264, 330, 394, 440, 528, 591, 660, 788, 811, 880, 985, 1182, 1320, 1576, 1622, 1970, 2167, 2364, 2433, 2640, 2955, 3152, 3244, 3940, 4055, 4334, 4728, 4866, 5910, 6488, 6501, 7880, 8110, 8668, 8921, 9456, 9732, 10835, 11820, 12165, 12976, 13002, 15760, 16220, 17336, 17842, 19464, 21670, 23640, 24330, 26004, 26763, 32440, 32505, 34672, 35684, 38928, 43340, 44605, 47280, 48660, 52008, 53526, 64880, 65010, 71368, 86680, 89210, 97320, 104016, 107052, 130020, 133815, 142736, 159767, 173360, 178420, 194640, 214104, 260040, 267630, 319534, 356840, 428208, 479301, 520080, 535260, 639068, 713680, 798835, 958602, 1070520, 1278136, 1597670, 1757437, 1917204, 2141040, 2396505, 2556272, 3195340, 3514874, 3834408, 4793010, 5272311, 6390680, 7029748, 7668816, 8787185, 9586020, 10544622, 12781360, 14059496, 17574370, 19172040, 21089244, 26361555, 28118992, 35148740, 38344080, 42178488, 52723110, 70297480, 84356976, 105446220, 140594960, 210892440, 421784880]

約数ペア:

[(1, 421784880), (2, 210892440), (3, 140594960), (4, 105446220), (5, 84356976), (6, 70297480), (8, 52723110), (10, 42178488), (11, 38344080), (12, 35148740), (15, 28118992), (16, 26361555), (20, 21089244), (22, 19172040), (24, 17574370), (30, 14059496), (33, 12781360), (40, 10544622), (44, 9586020), (48, 8787185), (55, 7668816), (60, 7029748), (66, 6390680), (80, 5272311), (88, 4793010), (110, 3834408), (120, 3514874), (132, 3195340), (165, 2556272), (176, 2396505), (197, 2141040), (220, 1917204), (240, 1757437), (264, 1597670), (330, 1278136), (394, 1070520), (440, 958602), (528, 798835), (591, 713680), (660, 639068), (788, 535260), (811, 520080), (880, 479301), (985, 428208), (1182, 356840), (1320, 319534), (1576, 267630), (1622, 260040), (1970, 214104), (2167, 194640), (2364, 178420), (2433, 173360), (2640, 159767), (2955, 142736), (3152, 133815), (3244, 130020), (3940, 107052), (4055, 104016), (4334, 97320), (4728, 89210), (4866, 86680), (5910, 71368), (6488, 65010), (6501, 64880), (7880, 53526), (8110, 52008), (8668, 48660), (8921, 47280), (9456, 44605), (9732, 43340), (10835, 38928), (11820, 35684), (12165, 34672), (12976, 32505), (13002, 32440), (15760, 26763), (16220, 26004), (17336, 24330), (17842, 23640), (19464, 21670)]