2690237970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1181

約数の個数: 192

約数和(自身を含む): 8319467520

約数和(自身を除く): 5629229550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 139, 155, 186, 210, 217, 278, 279, 310, 315, 417, 434, 465, 558, 630, 651, 695, 834, 930, 973, 991, 1085, 1251, 1302, 1390, 1395, 1946, 1953, 1982, 2085, 2170, 2502, 2790, 2919, 2973, 3255, 3906, 4170, 4309, 4865, 4955, 5838, 5946, 6255, 6510, 6937, 8618, 8757, 8919, 9730, 9765, 9910, 12510, 12927, 13874, 14595, 14865, 17514, 17838, 19530, 20811, 21545, 25854, 29190, 29730, 30163, 30721, 34685, 38781, 41622, 43090, 43785, 44595, 60326, 61442, 62433, 64635, 69370, 77562, 87570, 89190, 90489, 92163, 104055, 124866, 129270, 137749, 150815, 153605, 180978, 184326, 193905, 208110, 215047, 271467, 275498, 276489, 301630, 307210, 312165, 387810, 413247, 430094, 452445, 460815, 542934, 552978, 624330, 645141, 688745, 826494, 904890, 921630, 964243, 1075235, 1239741, 1290282, 1357335, 1377490, 1382445, 1928486, 1935423, 2066235, 2150470, 2479482, 2714670, 2764890, 2892729, 3225705, 3870846, 4132470, 4270219, 4821215, 5785458, 6198705, 6451410, 8540438, 8678187, 9642430, 9677115, 12397410, 12810657, 14463645, 17356374, 19354230, 21351095, 25621314, 28927290, 29891533, 38431971, 42702190, 43390935, 59783066, 64053285, 76863942, 86781870, 89674599, 128106570, 149457665, 179349198, 192159855, 269023797, 298915330, 384319710, 448372995, 538047594, 896745990, 1345118985, 2690237970]

約数ペア:

[(1, 2690237970), (2, 1345118985), (3, 896745990), (5, 538047594), (6, 448372995), (7, 384319710), (9, 298915330), (10, 269023797), (14, 192159855), (15, 179349198), (18, 149457665), (21, 128106570), (30, 89674599), (31, 86781870), (35, 76863942), (42, 64053285), (45, 59783066), (62, 43390935), (63, 42702190), (70, 38431971), (90, 29891533), (93, 28927290), (105, 25621314), (126, 21351095), (139, 19354230), (155, 17356374), (186, 14463645), (210, 12810657), (217, 12397410), (278, 9677115), (279, 9642430), (310, 8678187), (315, 8540438), (417, 6451410), (434, 6198705), (465, 5785458), (558, 4821215), (630, 4270219), (651, 4132470), (695, 3870846), (834, 3225705), (930, 2892729), (973, 2764890), (991, 2714670), (1085, 2479482), (1251, 2150470), (1302, 2066235), (1390, 1935423), (1395, 1928486), (1946, 1382445), (1953, 1377490), (1982, 1357335), (2085, 1290282), (2170, 1239741), (2502, 1075235), (2790, 964243), (2919, 921630), (2973, 904890), (3255, 826494), (3906, 688745), (4170, 645141), (4309, 624330), (4865, 552978), (4955, 542934), (5838, 460815), (5946, 452445), (6255, 430094), (6510, 413247), (6937, 387810), (8618, 312165), (8757, 307210), (8919, 301630), (9730, 276489), (9765, 275498), (9910, 271467), (12510, 215047), (12927, 208110), (13874, 193905), (14595, 184326), (14865, 180978), (17514, 153605), (17838, 150815), (19530, 137749), (20811, 129270), (21545, 124866), (25854, 104055), (29190, 92163), (29730, 90489), (30163, 89190), (30721, 87570), (34685, 77562), (38781, 69370), (41622, 64635), (43090, 62433), (43785, 61442), (44595, 60326)]