81488208900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{65881}}^1$

素因数の和:65955

約数の個数: 288

約数和(自身を含む): 292790149120

約数和(自身を除く): 211301940220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 31, 35, 38, 42, 50, 57, 60, 62, 70, 75, 76, 84, 93, 95, 100, 105, 114, 124, 133, 140, 150, 155, 175, 186, 190, 210, 217, 228, 266, 285, 300, 310, 350, 372, 380, 399, 420, 434, 465, 475, 525, 532, 570, 589, 620, 651, 665, 700, 775, 798, 868, 930, 950, 1050, 1085, 1140, 1178, 1302, 1330, 1425, 1550, 1596, 1767, 1860, 1900, 1995, 2100, 2170, 2325, 2356, 2604, 2660, 2850, 2945, 3100, 3255, 3325, 3534, 3990, 4123, 4340, 4650, 5425, 5700, 5890, 6510, 6650, 7068, 7980, 8246, 8835, 9300, 9975, 10850, 11780, 12369, 13020, 13300, 14725, 16275, 16492, 17670, 19950, 20615, 21700, 24738, 29450, 32550, 35340, 39900, 41230, 44175, 49476, 58900, 61845, 65100, 65881, 82460, 88350, 103075, 123690, 131762, 176700, 197643, 206150, 247380, 263524, 309225, 329405, 395286, 412300, 461167, 618450, 658810, 790572, 922334, 988215, 1236900, 1251739, 1317620, 1383501, 1647025, 1844668, 1976430, 2042311, 2305835, 2503478, 2767002, 3294050, 3755217, 3952860, 4084622, 4611670, 4941075, 5006956, 5534004, 6126933, 6258695, 6588100, 6917505, 7510434, 8169244, 8762173, 9223340, 9882150, 10211555, 11529175, 12253866, 12517390, 13835010, 14296177, 15020868, 17524346, 18776085, 19764300, 20423110, 23058350, 24507732, 25034780, 26286519, 27670020, 28592354, 30634665, 31293475, 34587525, 35048692, 37552170, 38803909, 40846220, 42888531, 43810865, 46116700, 51057775, 52573038, 57184708, 61269330, 62586950, 69175050, 71480885, 75104340, 77607818, 85777062, 87621730, 93880425, 102115550, 105146076, 116411727, 122538660, 125173900, 131432595, 138350100, 142961770, 153173325, 155215636, 171554124, 175243460, 187760850, 194019545, 204231100, 214442655, 219054325, 232823454, 262865190, 271627363, 285923540, 306346650, 357404425, 375521700, 388039090, 428885310, 438108650, 465646908, 525730380, 543254726, 582058635, 612693300, 657162975, 714808850, 776078180, 814882089, 857770620, 876217300, 970097725, 1072213275, 1086509452, 1164117270, 1314325950, 1358136815, 1429617700, 1629764178, 1940195450, 2144426550, 2328234540, 2628651900, 2716273630, 2910293175, 3259528356, 3880390900, 4074410445, 4288853100, 5432547260, 5820586350, 6790684075, 8148820890, 11641172700, 13581368150, 16297641780, 20372052225, 27162736300, 40744104450, 81488208900]

約数ペア:

[(1, 81488208900), (2, 40744104450), (3, 27162736300), (4, 20372052225), (5, 16297641780), (6, 13581368150), (7, 11641172700), (10, 8148820890), (12, 6790684075), (14, 5820586350), (15, 5432547260), (19, 4288853100), (20, 4074410445), (21, 3880390900), (25, 3259528356), (28, 2910293175), (30, 2716273630), (31, 2628651900), (35, 2328234540), (38, 2144426550), (42, 1940195450), (50, 1629764178), (57, 1429617700), (60, 1358136815), (62, 1314325950), (70, 1164117270), (75, 1086509452), (76, 1072213275), (84, 970097725), (93, 876217300), (95, 857770620), (100, 814882089), (105, 776078180), (114, 714808850), (124, 657162975), (133, 612693300), (140, 582058635), (150, 543254726), (155, 525730380), (175, 465646908), (186, 438108650), (190, 428885310), (210, 388039090), (217, 375521700), (228, 357404425), (266, 306346650), (285, 285923540), (300, 271627363), (310, 262865190), (350, 232823454), (372, 219054325), (380, 214442655), (399, 204231100), (420, 194019545), (434, 187760850), (465, 175243460), (475, 171554124), (525, 155215636), (532, 153173325), (570, 142961770), (589, 138350100), (620, 131432595), (651, 125173900), (665, 122538660), (700, 116411727), (775, 105146076), (798, 102115550), (868, 93880425), (930, 87621730), (950, 85777062), (1050, 77607818), (1085, 75104340), (1140, 71480885), (1178, 69175050), (1302, 62586950), (1330, 61269330), (1425, 57184708), (1550, 52573038), (1596, 51057775), (1767, 46116700), (1860, 43810865), (1900, 42888531), (1995, 40846220), (2100, 38803909), (2170, 37552170), (2325, 35048692), (2356, 34587525), (2604, 31293475), (2660, 30634665), (2850, 28592354), (2945, 27670020), (3100, 26286519), (3255, 25034780), (3325, 24507732), (3534, 23058350), (3990, 20423110), (4123, 19764300), (4340, 18776085), (4650, 17524346), (5425, 15020868), (5700, 14296177), (5890, 13835010), (6510, 12517390), (6650, 12253866), (7068, 11529175), (7980, 10211555), (8246, 9882150), (8835, 9223340), (9300, 8762173), (9975, 8169244), (10850, 7510434), (11780, 6917505), (12369, 6588100), (13020, 6258695), (13300, 6126933), (14725, 5534004), (16275, 5006956), (16492, 4941075), (17670, 4611670), (19950, 4084622), (20615, 3952860), (21700, 3755217), (24738, 3294050), (29450, 2767002), (32550, 2503478), (35340, 2305835), (39900, 2042311), (41230, 1976430), (44175, 1844668), (49476, 1647025), (58900, 1383501), (61845, 1317620), (65100, 1251739), (65881, 1236900), (82460, 988215), (88350, 922334), (103075, 790572), (123690, 658810), (131762, 618450), (176700, 461167), (197643, 412300), (206150, 395286), (247380, 329405), (263524, 309225)]