1965390720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 256

約数和(自身を含む): 6470210880

約数和(自身を除く): 4504820160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 97, 120, 122, 128, 160, 173, 183, 192, 194, 240, 244, 291, 305, 320, 346, 366, 384, 388, 480, 485, 488, 519, 582, 610, 640, 692, 732, 776, 865, 915, 960, 970, 976, 1038, 1164, 1220, 1384, 1455, 1464, 1552, 1730, 1830, 1920, 1940, 1952, 2076, 2328, 2440, 2595, 2768, 2910, 2928, 3104, 3460, 3660, 3880, 3904, 4152, 4656, 4880, 5190, 5536, 5820, 5856, 5917, 6208, 6920, 7320, 7760, 7808, 8304, 9312, 9760, 10380, 10553, 11072, 11640, 11712, 11834, 12416, 13840, 14640, 15520, 16608, 16781, 17751, 18624, 19520, 20760, 21106, 22144, 23280, 23424, 23668, 27680, 29280, 29585, 31040, 31659, 33216, 33562, 35502, 37248, 39040, 41520, 42212, 46560, 47336, 50343, 52765, 55360, 58560, 59170, 62080, 63318, 66432, 67124, 71004, 83040, 83905, 84424, 88755, 93120, 94672, 100686, 105530, 110720, 117120, 118340, 126636, 134248, 142008, 158295, 166080, 167810, 168848, 177510, 186240, 189344, 201372, 211060, 236680, 251715, 253272, 268496, 284016, 316590, 332160, 335620, 337696, 355020, 378688, 402744, 422120, 473360, 503430, 506544, 536992, 568032, 633180, 671240, 675392, 710040, 757376, 805488, 844240, 946720, 1006860, 1013088, 1023641, 1073984, 1136064, 1266360, 1342480, 1350784, 1420080, 1610976, 1688480, 1893440, 2013720, 2026176, 2047282, 2147968, 2272128, 2532720, 2684960, 2840160, 3070923, 3221952, 3376960, 3786880, 4027440, 4052352, 4094564, 5065440, 5118205, 5369920, 5680320, 6141846, 6443904, 6753920, 8054880, 8189128, 10130880, 10236410, 10739840, 11360640, 12283692, 15354615, 16109760, 16378256, 20261760, 20472820, 24567384, 30709230, 32219520, 32756512, 40945640, 49134768, 61418460, 65513024, 81891280, 98269536, 122836920, 131026048, 163782560, 196539072, 245673840, 327565120, 393078144, 491347680, 655130240, 982695360, 1965390720]

約数ペア:

[(1, 1965390720), (2, 982695360), (3, 655130240), (4, 491347680), (5, 393078144), (6, 327565120), (8, 245673840), (10, 196539072), (12, 163782560), (15, 131026048), (16, 122836920), (20, 98269536), (24, 81891280), (30, 65513024), (32, 61418460), (40, 49134768), (48, 40945640), (60, 32756512), (61, 32219520), (64, 30709230), (80, 24567384), (96, 20472820), (97, 20261760), (120, 16378256), (122, 16109760), (128, 15354615), (160, 12283692), (173, 11360640), (183, 10739840), (192, 10236410), (194, 10130880), (240, 8189128), (244, 8054880), (291, 6753920), (305, 6443904), (320, 6141846), (346, 5680320), (366, 5369920), (384, 5118205), (388, 5065440), (480, 4094564), (485, 4052352), (488, 4027440), (519, 3786880), (582, 3376960), (610, 3221952), (640, 3070923), (692, 2840160), (732, 2684960), (776, 2532720), (865, 2272128), (915, 2147968), (960, 2047282), (970, 2026176), (976, 2013720), (1038, 1893440), (1164, 1688480), (1220, 1610976), (1384, 1420080), (1455, 1350784), (1464, 1342480), (1552, 1266360), (1730, 1136064), (1830, 1073984), (1920, 1023641), (1940, 1013088), (1952, 1006860), (2076, 946720), (2328, 844240), (2440, 805488), (2595, 757376), (2768, 710040), (2910, 675392), (2928, 671240), (3104, 633180), (3460, 568032), (3660, 536992), (3880, 506544), (3904, 503430), (4152, 473360), (4656, 422120), (4880, 402744), (5190, 378688), (5536, 355020), (5820, 337696), (5856, 335620), (5917, 332160), (6208, 316590), (6920, 284016), (7320, 268496), (7760, 253272), (7808, 251715), (8304, 236680), (9312, 211060), (9760, 201372), (10380, 189344), (10553, 186240), (11072, 177510), (11640, 168848), (11712, 167810), (11834, 166080), (12416, 158295), (13840, 142008), (14640, 134248), (15520, 126636), (16608, 118340), (16781, 117120), (17751, 110720), (18624, 105530), (19520, 100686), (20760, 94672), (21106, 93120), (22144, 88755), (23280, 84424), (23424, 83905), (23668, 83040), (27680, 71004), (29280, 67124), (29585, 66432), (31040, 63318), (31659, 62080), (33216, 59170), (33562, 58560), (35502, 55360), (37248, 52765), (39040, 50343), (41520, 47336), (42212, 46560)]