278008200

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{131}}^2$

素因数の和:290

約数の個数: 180

約数和(自身を含む): 972990645

約数和(自身を除く): 694982445

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 131, 135, 150, 162, 180, 200, 216, 225, 262, 270, 300, 324, 360, 393, 405, 450, 524, 540, 600, 648, 655, 675, 786, 810, 900, 1048, 1080, 1179, 1310, 1350, 1572, 1620, 1800, 1965, 2025, 2358, 2620, 2700, 3144, 3240, 3275, 3537, 3930, 4050, 4716, 5240, 5400, 5895, 6550, 7074, 7860, 8100, 9432, 9825, 10611, 11790, 13100, 14148, 15720, 16200, 17161, 17685, 19650, 21222, 23580, 26200, 28296, 29475, 34322, 35370, 39300, 42444, 47160, 51483, 53055, 58950, 68644, 70740, 78600, 84888, 85805, 88425, 102966, 106110, 117900, 137288, 141480, 154449, 171610, 176850, 205932, 212220, 235800, 257415, 265275, 308898, 343220, 353700, 411864, 424440, 429025, 463347, 514830, 530550, 617796, 686440, 707400, 772245, 858050, 926694, 1029660, 1061100, 1235592, 1287075, 1390041, 1544490, 1716100, 1853388, 2059320, 2122200, 2316735, 2574150, 2780082, 3088980, 3432200, 3706776, 3861225, 4633470, 5148300, 5560164, 6177960, 6950205, 7722450, 9266940, 10296600, 11120328, 11583675, 13900410, 15444900, 18533880, 23167350, 27800820, 30889800, 34751025, 46334700, 55601640, 69502050, 92669400, 139004100, 278008200]

約数ペア:

[(1, 278008200), (2, 139004100), (3, 92669400), (4, 69502050), (5, 55601640), (6, 46334700), (8, 34751025), (9, 30889800), (10, 27800820), (12, 23167350), (15, 18533880), (18, 15444900), (20, 13900410), (24, 11583675), (25, 11120328), (27, 10296600), (30, 9266940), (36, 7722450), (40, 6950205), (45, 6177960), (50, 5560164), (54, 5148300), (60, 4633470), (72, 3861225), (75, 3706776), (81, 3432200), (90, 3088980), (100, 2780082), (108, 2574150), (120, 2316735), (131, 2122200), (135, 2059320), (150, 1853388), (162, 1716100), (180, 1544490), (200, 1390041), (216, 1287075), (225, 1235592), (262, 1061100), (270, 1029660), (300, 926694), (324, 858050), (360, 772245), (393, 707400), (405, 686440), (450, 617796), (524, 530550), (540, 514830), (600, 463347), (648, 429025), (655, 424440), (675, 411864), (786, 353700), (810, 343220), (900, 308898), (1048, 265275), (1080, 257415), (1179, 235800), (1310, 212220), (1350, 205932), (1572, 176850), (1620, 171610), (1800, 154449), (1965, 141480), (2025, 137288), (2358, 117900), (2620, 106110), (2700, 102966), (3144, 88425), (3240, 85805), (3275, 84888), (3537, 78600), (3930, 70740), (4050, 68644), (4716, 58950), (5240, 53055), (5400, 51483), (5895, 47160), (6550, 42444), (7074, 39300), (7860, 35370), (8100, 34322), (9432, 29475), (9825, 28296), (10611, 26200), (11790, 23580), (13100, 21222), (14148, 19650), (15720, 17685), (16200, 17161)]