256535100

素因数分解:

$2^2\times 3^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 324

約数和(自身を含む): 922534704

約数和(自身を除く): 665999604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 25, 27, 30, 34, 36, 45, 46, 50, 51, 54, 60, 68, 69, 75, 81, 85, 90, 92, 100, 102, 108, 115, 135, 138, 150, 153, 162, 170, 180, 204, 207, 225, 230, 243, 255, 270, 276, 300, 306, 324, 340, 345, 391, 405, 414, 425, 450, 459, 460, 486, 510, 540, 575, 612, 621, 675, 690, 729, 765, 782, 810, 828, 850, 900, 918, 972, 1020, 1035, 1150, 1173, 1215, 1242, 1275, 1350, 1377, 1380, 1458, 1530, 1564, 1620, 1700, 1725, 1836, 1863, 1955, 2025, 2070, 2187, 2295, 2300, 2346, 2430, 2484, 2550, 2700, 2754, 2916, 3060, 3105, 3450, 3519, 3645, 3726, 3825, 3910, 4050, 4131, 4140, 4374, 4590, 4692, 4860, 5100, 5175, 5508, 5589, 5865, 6075, 6210, 6561, 6885, 6900, 7038, 7290, 7452, 7650, 7820, 8100, 8262, 8748, 9180, 9315, 9775, 10350, 10557, 10935, 11178, 11475, 11730, 12150, 12393, 12420, 13122, 13770, 14076, 14580, 15300, 15525, 16524, 16767, 17595, 18225, 18630, 19550, 20655, 20700, 21114, 21870, 22356, 22950, 23460, 24300, 24786, 26244, 27540, 27945, 29325, 31050, 31671, 32805, 33534, 34425, 35190, 36450, 37179, 37260, 39100, 41310, 42228, 43740, 45900, 46575, 49572, 50301, 52785, 54675, 55890, 58650, 61965, 62100, 63342, 65610, 67068, 68850, 70380, 72900, 74358, 82620, 83835, 87975, 93150, 95013, 100602, 103275, 105570, 109350, 111537, 111780, 117300, 123930, 126684, 131220, 137700, 139725, 148716, 150903, 158355, 164025, 167670, 175950, 185895, 186300, 190026, 201204, 206550, 211140, 218700, 223074, 247860, 251505, 263925, 279450, 285039, 301806, 309825, 316710, 328050, 335340, 351900, 371790, 380052, 413100, 419175, 446148, 475065, 503010, 527850, 557685, 558900, 570078, 603612, 619650, 633420, 656100, 743580, 754515, 791775, 838350, 855117, 929475, 950130, 1006020, 1055700, 1115370, 1140156, 1239300, 1257525, 1425195, 1509030, 1583550, 1676700, 1710234, 1858950, 1900260, 2230740, 2375325, 2515050, 2565351, 2788425, 2850390, 3018060, 3167100, 3420468, 3717900, 3772575, 4275585, 4750650, 5030100, 5130702, 5576850, 5700780, 7125975, 7545150, 8551170, 9501300, 10261404, 11153700, 12826755, 14251950, 15090300, 17102340, 21377925, 25653510, 28503900, 42755850, 51307020, 64133775, 85511700, 128267550, 256535100]

約数ペア:

[(1, 256535100), (2, 128267550), (3, 85511700), (4, 64133775), (5, 51307020), (6, 42755850), (9, 28503900), (10, 25653510), (12, 21377925), (15, 17102340), (17, 15090300), (18, 14251950), (20, 12826755), (23, 11153700), (25, 10261404), (27, 9501300), (30, 8551170), (34, 7545150), (36, 7125975), (45, 5700780), (46, 5576850), (50, 5130702), (51, 5030100), (54, 4750650), (60, 4275585), (68, 3772575), (69, 3717900), (75, 3420468), (81, 3167100), (85, 3018060), (90, 2850390), (92, 2788425), (100, 2565351), (102, 2515050), (108, 2375325), (115, 2230740), (135, 1900260), (138, 1858950), (150, 1710234), (153, 1676700), (162, 1583550), (170, 1509030), (180, 1425195), (204, 1257525), (207, 1239300), (225, 1140156), (230, 1115370), (243, 1055700), (255, 1006020), (270, 950130), (276, 929475), (300, 855117), (306, 838350), (324, 791775), (340, 754515), (345, 743580), (391, 656100), (405, 633420), (414, 619650), (425, 603612), (450, 570078), (459, 558900), (460, 557685), (486, 527850), (510, 503010), (540, 475065), (575, 446148), (612, 419175), (621, 413100), (675, 380052), (690, 371790), (729, 351900), (765, 335340), (782, 328050), (810, 316710), (828, 309825), (850, 301806), (900, 285039), (918, 279450), (972, 263925), (1020, 251505), (1035, 247860), (1150, 223074), (1173, 218700), (1215, 211140), (1242, 206550), (1275, 201204), (1350, 190026), (1377, 186300), (1380, 185895), (1458, 175950), (1530, 167670), (1564, 164025), (1620, 158355), (1700, 150903), (1725, 148716), (1836, 139725), (1863, 137700), (1955, 131220), (2025, 126684), (2070, 123930), (2187, 117300), (2295, 111780), (2300, 111537), (2346, 109350), (2430, 105570), (2484, 103275), (2550, 100602), (2700, 95013), (2754, 93150), (2916, 87975), (3060, 83835), (3105, 82620), (3450, 74358), (3519, 72900), (3645, 70380), (3726, 68850), (3825, 67068), (3910, 65610), (4050, 63342), (4131, 62100), (4140, 61965), (4374, 58650), (4590, 55890), (4692, 54675), (4860, 52785), (5100, 50301), (5175, 49572), (5508, 46575), (5589, 45900), (5865, 43740), (6075, 42228), (6210, 41310), (6561, 39100), (6885, 37260), (6900, 37179), (7038, 36450), (7290, 35190), (7452, 34425), (7650, 33534), (7820, 32805), (8100, 31671), (8262, 31050), (8748, 29325), (9180, 27945), (9315, 27540), (9775, 26244), (10350, 24786), (10557, 24300), (10935, 23460), (11178, 22950), (11475, 22356), (11730, 21870), (12150, 21114), (12393, 20700), (12420, 20655), (13122, 19550), (13770, 18630), (14076, 18225), (14580, 17595), (15300, 16767), (15525, 16524)]