400203180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 240

約数和(自身を含む): 1397915904

約数和(自身を除く): 997712724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 465, 468, 540, 558, 585, 613, 620, 702, 780, 806, 810, 837, 930, 1053, 1116, 1170, 1209, 1226, 1395, 1404, 1612, 1620, 1674, 1755, 1839, 1860, 2015, 2106, 2340, 2418, 2452, 2511, 2790, 3065, 3348, 3510, 3627, 3678, 4030, 4185, 4212, 4836, 5022, 5265, 5517, 5580, 6045, 6130, 7020, 7254, 7356, 7969, 8060, 8370, 9195, 10044, 10530, 10881, 11034, 12090, 12260, 12555, 14508, 15938, 16551, 16740, 18135, 18390, 19003, 21060, 21762, 22068, 23907, 24180, 25110, 27585, 31876, 32643, 33102, 36270, 36780, 38006, 39845, 43524, 47814, 49653, 50220, 54405, 55170, 57009, 65286, 66204, 71721, 72540, 76012, 79690, 82755, 95015, 95628, 99306, 108810, 110340, 114018, 119535, 130572, 143442, 159380, 163215, 165510, 171027, 190030, 198612, 215163, 217620, 228036, 239070, 247039, 248265, 285045, 286884, 326430, 331020, 342054, 358605, 380060, 430326, 478140, 494078, 496530, 513081, 570090, 645489, 652860, 684108, 717210, 741117, 855135, 860652, 988156, 993060, 1026162, 1075815, 1140180, 1235195, 1290978, 1434420, 1482234, 1539243, 1710270, 2052324, 2151630, 2223351, 2470390, 2565405, 2581956, 2964468, 3078486, 3227445, 3420540, 3705585, 4303260, 4446702, 4940780, 5130810, 6156972, 6454890, 6670053, 7411170, 7696215, 8893404, 10261620, 11116755, 12909780, 13340106, 14822340, 15392430, 20010159, 22233510, 26680212, 30784860, 33350265, 40020318, 44467020, 66700530, 80040636, 100050795, 133401060, 200101590, 400203180]

約数ペア:

[(1, 400203180), (2, 200101590), (3, 133401060), (4, 100050795), (5, 80040636), (6, 66700530), (9, 44467020), (10, 40020318), (12, 33350265), (13, 30784860), (15, 26680212), (18, 22233510), (20, 20010159), (26, 15392430), (27, 14822340), (30, 13340106), (31, 12909780), (36, 11116755), (39, 10261620), (45, 8893404), (52, 7696215), (54, 7411170), (60, 6670053), (62, 6454890), (65, 6156972), (78, 5130810), (81, 4940780), (90, 4446702), (93, 4303260), (108, 3705585), (117, 3420540), (124, 3227445), (130, 3078486), (135, 2964468), (155, 2581956), (156, 2565405), (162, 2470390), (180, 2223351), (186, 2151630), (195, 2052324), (234, 1710270), (260, 1539243), (270, 1482234), (279, 1434420), (310, 1290978), (324, 1235195), (351, 1140180), (372, 1075815), (390, 1026162), (403, 993060), (405, 988156), (465, 860652), (468, 855135), (540, 741117), (558, 717210), (585, 684108), (613, 652860), (620, 645489), (702, 570090), (780, 513081), (806, 496530), (810, 494078), (837, 478140), (930, 430326), (1053, 380060), (1116, 358605), (1170, 342054), (1209, 331020), (1226, 326430), (1395, 286884), (1404, 285045), (1612, 248265), (1620, 247039), (1674, 239070), (1755, 228036), (1839, 217620), (1860, 215163), (2015, 198612), (2106, 190030), (2340, 171027), (2418, 165510), (2452, 163215), (2511, 159380), (2790, 143442), (3065, 130572), (3348, 119535), (3510, 114018), (3627, 110340), (3678, 108810), (4030, 99306), (4185, 95628), (4212, 95015), (4836, 82755), (5022, 79690), (5265, 76012), (5517, 72540), (5580, 71721), (6045, 66204), (6130, 65286), (7020, 57009), (7254, 55170), (7356, 54405), (7969, 50220), (8060, 49653), (8370, 47814), (9195, 43524), (10044, 39845), (10530, 38006), (10881, 36780), (11034, 36270), (12090, 33102), (12260, 32643), (12555, 31876), (14508, 27585), (15938, 25110), (16551, 24180), (16740, 23907), (18135, 22068), (18390, 21762), (19003, 21060)]