1839565980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20563}}^1$

素因数の和:20656

約数の個数: 144

約数和(自身を含む): 6467295744

約数和(自身を除く): 4627729764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 4260, 4473, 4970, 5964, 6390, 7455, 8946, 9940, 12780, 14910, 17892, 20563, 22365, 29820, 41126, 44730, 61689, 82252, 89460, 102815, 123378, 143941, 185067, 205630, 246756, 287882, 308445, 370134, 411260, 431823, 575764, 616890, 719705, 740268, 863646, 925335, 1233780, 1295469, 1439410, 1459973, 1727292, 1850670, 2159115, 2590938, 2878820, 2919946, 3701340, 4318230, 4379919, 5181876, 5839892, 6477345, 7299865, 8636460, 8759838, 10219811, 12954690, 13139757, 14599730, 17519676, 20439622, 21899595, 25909380, 26279514, 29199460, 30659433, 40879244, 43799190, 51099055, 52559028, 61318866, 65698785, 87598380, 91978299, 102198110, 122637732, 131397570, 153297165, 183956598, 204396220, 262795140, 306594330, 367913196, 459891495, 613188660, 919782990, 1839565980]

約数ペア:

[(1, 1839565980), (2, 919782990), (3, 613188660), (4, 459891495), (5, 367913196), (6, 306594330), (7, 262795140), (9, 204396220), (10, 183956598), (12, 153297165), (14, 131397570), (15, 122637732), (18, 102198110), (20, 91978299), (21, 87598380), (28, 65698785), (30, 61318866), (35, 52559028), (36, 51099055), (42, 43799190), (45, 40879244), (60, 30659433), (63, 29199460), (70, 26279514), (71, 25909380), (84, 21899595), (90, 20439622), (105, 17519676), (126, 14599730), (140, 13139757), (142, 12954690), (180, 10219811), (210, 8759838), (213, 8636460), (252, 7299865), (284, 6477345), (315, 5839892), (355, 5181876), (420, 4379919), (426, 4318230), (497, 3701340), (630, 2919946), (639, 2878820), (710, 2590938), (852, 2159115), (994, 1850670), (1065, 1727292), (1260, 1459973), (1278, 1439410), (1420, 1295469), (1491, 1233780), (1988, 925335), (2130, 863646), (2485, 740268), (2556, 719705), (2982, 616890), (3195, 575764), (4260, 431823), (4473, 411260), (4970, 370134), (5964, 308445), (6390, 287882), (7455, 246756), (8946, 205630), (9940, 185067), (12780, 143941), (14910, 123378), (17892, 102815), (20563, 89460), (22365, 82252), (29820, 61689), (41126, 44730)]