278998020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 288

約数和(自身を含む): 1027353600

約数和(自身を除く): 748355580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 59, 60, 63, 70, 81, 84, 90, 105, 108, 118, 126, 135, 139, 140, 162, 177, 180, 189, 210, 236, 243, 252, 270, 278, 295, 315, 324, 354, 378, 405, 413, 417, 420, 486, 531, 540, 556, 567, 590, 630, 695, 708, 756, 810, 826, 834, 885, 945, 972, 973, 1062, 1134, 1180, 1215, 1239, 1251, 1260, 1390, 1593, 1620, 1652, 1668, 1701, 1770, 1890, 1946, 2065, 2085, 2124, 2268, 2430, 2478, 2502, 2655, 2780, 2835, 2919, 3186, 3402, 3540, 3717, 3753, 3780, 3892, 4130, 4170, 4779, 4860, 4865, 4956, 5004, 5310, 5670, 5838, 6195, 6255, 6372, 6804, 7434, 7506, 7965, 8201, 8260, 8340, 8505, 8757, 9558, 9730, 10620, 11151, 11259, 11340, 11676, 12390, 12510, 14337, 14595, 14868, 15012, 15930, 16402, 17010, 17514, 18585, 18765, 19116, 19460, 22302, 22518, 23895, 24603, 24780, 25020, 26271, 28674, 29190, 31860, 32804, 33453, 33777, 34020, 35028, 37170, 37530, 41005, 43785, 44604, 45036, 47790, 49206, 52542, 55755, 56295, 57348, 57407, 58380, 66906, 67554, 71685, 73809, 74340, 75060, 78813, 82010, 87570, 95580, 98412, 100359, 105084, 111510, 112590, 114814, 123015, 131355, 133812, 135108, 143370, 147618, 157626, 164020, 167265, 168885, 172221, 175140, 200718, 221427, 223020, 225180, 229628, 236439, 246030, 262710, 286740, 287035, 295236, 315252, 334530, 337770, 344442, 369045, 394065, 401436, 442854, 472878, 492060, 501795, 516663, 525420, 574070, 664281, 669060, 675540, 688884, 738090, 788130, 861105, 885708, 945756, 1003590, 1033326, 1107135, 1148140, 1182195, 1328562, 1476180, 1549989, 1576260, 1722210, 1992843, 2007180, 2066652, 2214270, 2364390, 2583315, 2657124, 3099978, 3321405, 3444420, 3985686, 4428540, 4649967, 4728780, 5166630, 6199956, 6642810, 7749945, 7971372, 9299934, 9964215, 10333260, 13285620, 13949901, 15499890, 18599868, 19928430, 23249835, 27899802, 30999780, 39856860, 46499670, 55799604, 69749505, 92999340, 139499010, 278998020]

約数ペア:

[(1, 278998020), (2, 139499010), (3, 92999340), (4, 69749505), (5, 55799604), (6, 46499670), (7, 39856860), (9, 30999780), (10, 27899802), (12, 23249835), (14, 19928430), (15, 18599868), (18, 15499890), (20, 13949901), (21, 13285620), (27, 10333260), (28, 9964215), (30, 9299934), (35, 7971372), (36, 7749945), (42, 6642810), (45, 6199956), (54, 5166630), (59, 4728780), (60, 4649967), (63, 4428540), (70, 3985686), (81, 3444420), (84, 3321405), (90, 3099978), (105, 2657124), (108, 2583315), (118, 2364390), (126, 2214270), (135, 2066652), (139, 2007180), (140, 1992843), (162, 1722210), (177, 1576260), (180, 1549989), (189, 1476180), (210, 1328562), (236, 1182195), (243, 1148140), (252, 1107135), (270, 1033326), (278, 1003590), (295, 945756), (315, 885708), (324, 861105), (354, 788130), (378, 738090), (405, 688884), (413, 675540), (417, 669060), (420, 664281), (486, 574070), (531, 525420), (540, 516663), (556, 501795), (567, 492060), (590, 472878), (630, 442854), (695, 401436), (708, 394065), (756, 369045), (810, 344442), (826, 337770), (834, 334530), (885, 315252), (945, 295236), (972, 287035), (973, 286740), (1062, 262710), (1134, 246030), (1180, 236439), (1215, 229628), (1239, 225180), (1251, 223020), (1260, 221427), (1390, 200718), (1593, 175140), (1620, 172221), (1652, 168885), (1668, 167265), (1701, 164020), (1770, 157626), (1890, 147618), (1946, 143370), (2065, 135108), (2085, 133812), (2124, 131355), (2268, 123015), (2430, 114814), (2478, 112590), (2502, 111510), (2655, 105084), (2780, 100359), (2835, 98412), (2919, 95580), (3186, 87570), (3402, 82010), (3540, 78813), (3717, 75060), (3753, 74340), (3780, 73809), (3892, 71685), (4130, 67554), (4170, 66906), (4779, 58380), (4860, 57407), (4865, 57348), (4956, 56295), (5004, 55755), (5310, 52542), (5670, 49206), (5838, 47790), (6195, 45036), (6255, 44604), (6372, 43785), (6804, 41005), (7434, 37530), (7506, 37170), (7965, 35028), (8201, 34020), (8260, 33777), (8340, 33453), (8505, 32804), (8757, 31860), (9558, 29190), (9730, 28674), (10620, 26271), (11151, 25020), (11259, 24780), (11340, 24603), (11676, 23895), (12390, 22518), (12510, 22302), (14337, 19460), (14595, 19116), (14868, 18765), (15012, 18585), (15930, 17514), (16402, 17010)]