28913506560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80963}}^1$

素因数の和:81021

約数の個数: 216

約数和(自身を含む): 103266019584

約数和(自身を除く): 74352513024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 17856, 19840, 22320, 23808, 29760, 35712, 39680, 44640, 59520, 71424, 80963, 89280, 119040, 161926, 178560, 242889, 323852, 357120, 404815, 485778, 647704, 728667, 809630, 971556, 1214445, 1295408, 1457334, 1619260, 1943112, 2428890, 2509853, 2590816, 2914668, 3238520, 3643335, 3886224, 4857780, 5019706, 5181632, 5829336, 6477040, 7286670, 7529559, 7772448, 9715560, 10039412, 10363264, 11658672, 12549265, 12954080, 14573340, 15059118, 15544896, 19431120, 20078824, 20726528, 22588677, 23317344, 25098530, 25908160, 29146680, 30118236, 31089792, 37647795, 38862240, 40157648, 45177354, 46634688, 50197060, 51816320, 58293360, 60236472, 62179584, 75295590, 77724480, 80315296, 90354708, 93269376, 100394120, 103632640, 112943385, 116586720, 120472944, 150591180, 155448960, 160630592, 180709416, 186538752, 200788240, 225886770, 233173440, 240945888, 301182360, 310897920, 321261184, 361418832, 401576480, 451773540, 466346880, 481891776, 602364720, 642522368, 722837664, 803152960, 903547080, 932693760, 963783552, 1204729440, 1445675328, 1606305920, 1807094160, 1927567104, 2409458880, 2891350656, 3212611840, 3614188320, 4818917760, 5782701312, 7228376640, 9637835520, 14456753280, 28913506560]

約数ペア:

[(1, 28913506560), (2, 14456753280), (3, 9637835520), (4, 7228376640), (5, 5782701312), (6, 4818917760), (8, 3614188320), (9, 3212611840), (10, 2891350656), (12, 2409458880), (15, 1927567104), (16, 1807094160), (18, 1606305920), (20, 1445675328), (24, 1204729440), (30, 963783552), (31, 932693760), (32, 903547080), (36, 803152960), (40, 722837664), (45, 642522368), (48, 602364720), (60, 481891776), (62, 466346880), (64, 451773540), (72, 401576480), (80, 361418832), (90, 321261184), (93, 310897920), (96, 301182360), (120, 240945888), (124, 233173440), (128, 225886770), (144, 200788240), (155, 186538752), (160, 180709416), (180, 160630592), (186, 155448960), (192, 150591180), (240, 120472944), (248, 116586720), (256, 112943385), (279, 103632640), (288, 100394120), (310, 93269376), (320, 90354708), (360, 80315296), (372, 77724480), (384, 75295590), (465, 62179584), (480, 60236472), (496, 58293360), (558, 51816320), (576, 50197060), (620, 46634688), (640, 45177354), (720, 40157648), (744, 38862240), (768, 37647795), (930, 31089792), (960, 30118236), (992, 29146680), (1116, 25908160), (1152, 25098530), (1240, 23317344), (1280, 22588677), (1395, 20726528), (1440, 20078824), (1488, 19431120), (1860, 15544896), (1920, 15059118), (1984, 14573340), (2232, 12954080), (2304, 12549265), (2480, 11658672), (2790, 10363264), (2880, 10039412), (2976, 9715560), (3720, 7772448), (3840, 7529559), (3968, 7286670), (4464, 6477040), (4960, 5829336), (5580, 5181632), (5760, 5019706), (5952, 4857780), (7440, 3886224), (7936, 3643335), (8928, 3238520), (9920, 2914668), (11160, 2590816), (11520, 2509853), (11904, 2428890), (14880, 1943112), (17856, 1619260), (19840, 1457334), (22320, 1295408), (23808, 1214445), (29760, 971556), (35712, 809630), (39680, 728667), (44640, 647704), (59520, 485778), (71424, 404815), (80963, 357120), (89280, 323852), (119040, 242889), (161926, 178560)]