1998696960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6715

約数の個数: 240

約数和(自身を含む): 7455632184

約数和(自身を除く): 5456935224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2560, 2880, 3120, 3328, 3744, 3840, 4160, 4608, 4680, 4992, 5760, 6240, 6656, 6673, 7488, 7680, 8320, 9360, 9984, 11520, 12480, 13346, 14976, 16640, 18720, 19968, 20019, 23040, 24960, 26692, 29952, 33280, 33365, 37440, 40038, 49920, 53384, 59904, 60057, 66730, 74880, 80076, 86749, 99840, 100095, 106768, 120114, 133460, 149760, 160152, 173498, 200190, 213536, 240228, 260247, 266920, 299520, 300285, 320304, 346996, 400380, 427072, 433745, 480456, 520494, 533840, 600570, 640608, 693992, 780741, 800760, 854144, 867490, 960912, 1040988, 1067680, 1201140, 1281216, 1301235, 1387984, 1561482, 1601520, 1708288, 1734980, 1921824, 2081976, 2135360, 2402280, 2562432, 2602470, 2775968, 3122964, 3203040, 3416576, 3469960, 3843648, 3903705, 4163952, 4270720, 4804560, 5124864, 5204940, 5551936, 6245928, 6406080, 6939920, 7687296, 7807410, 8327904, 8541440, 9609120, 10249728, 10409880, 11103872, 12491856, 12812160, 13879840, 15374592, 15614820, 16655808, 17082880, 19218240, 20819760, 22207744, 24983712, 25624320, 27759680, 30749184, 31229640, 33311616, 38436480, 41639520, 44415488, 49967424, 51248640, 55519360, 62459280, 66623232, 76872960, 83279040, 99934848, 111038720, 124918560, 133246464, 153745920, 166558080, 199869696, 222077440, 249837120, 333116160, 399739392, 499674240, 666232320, 999348480, 1998696960]

約数ペア:

[(1, 1998696960), (2, 999348480), (3, 666232320), (4, 499674240), (5, 399739392), (6, 333116160), (8, 249837120), (9, 222077440), (10, 199869696), (12, 166558080), (13, 153745920), (15, 133246464), (16, 124918560), (18, 111038720), (20, 99934848), (24, 83279040), (26, 76872960), (30, 66623232), (32, 62459280), (36, 55519360), (39, 51248640), (40, 49967424), (45, 44415488), (48, 41639520), (52, 38436480), (60, 33311616), (64, 31229640), (65, 30749184), (72, 27759680), (78, 25624320), (80, 24983712), (90, 22207744), (96, 20819760), (104, 19218240), (117, 17082880), (120, 16655808), (128, 15614820), (130, 15374592), (144, 13879840), (156, 12812160), (160, 12491856), (180, 11103872), (192, 10409880), (195, 10249728), (208, 9609120), (234, 8541440), (240, 8327904), (256, 7807410), (260, 7687296), (288, 6939920), (312, 6406080), (320, 6245928), (360, 5551936), (384, 5204940), (390, 5124864), (416, 4804560), (468, 4270720), (480, 4163952), (512, 3903705), (520, 3843648), (576, 3469960), (585, 3416576), (624, 3203040), (640, 3122964), (720, 2775968), (768, 2602470), (780, 2562432), (832, 2402280), (936, 2135360), (960, 2081976), (1040, 1921824), (1152, 1734980), (1170, 1708288), (1248, 1601520), (1280, 1561482), (1440, 1387984), (1536, 1301235), (1560, 1281216), (1664, 1201140), (1872, 1067680), (1920, 1040988), (2080, 960912), (2304, 867490), (2340, 854144), (2496, 800760), (2560, 780741), (2880, 693992), (3120, 640608), (3328, 600570), (3744, 533840), (3840, 520494), (4160, 480456), (4608, 433745), (4680, 427072), (4992, 400380), (5760, 346996), (6240, 320304), (6656, 300285), (6673, 299520), (7488, 266920), (7680, 260247), (8320, 240228), (9360, 213536), (9984, 200190), (11520, 173498), (12480, 160152), (13346, 149760), (14976, 133460), (16640, 120114), (18720, 106768), (19968, 100095), (20019, 99840), (23040, 86749), (24960, 80076), (26692, 74880), (29952, 66730), (33280, 60057), (33365, 59904), (37440, 53384), (40038, 49920)]