28781506080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{644747}}^1$

素因数の和:644799

約数の個数: 144

約数和(自身を含む): 101385333504

約数和(自身を除く): 72603827424

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, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 44640, 644747, 1289494, 1934241, 2578988, 3223735, 3868482, 5157976, 5802723, 6447470, 7736964, 9671205, 10315952, 11605446, 12894940, 15473928, 19342410, 19987157, 20631904, 23210892, 25789880, 29013615, 30947856, 38684820, 39974314, 46421784, 51579760, 58027230, 59961471, 61895712, 77369640, 79948628, 92843568, 99935785, 103159520, 116054460, 119922942, 154739280, 159897256, 179884413, 185687136, 199871570, 232108920, 239845884, 299807355, 309478560, 319794512, 359768826, 399743140, 464217840, 479691768, 599614710, 639589024, 719537652, 799486280, 899422065, 928435680, 959383536, 1199229420, 1439075304, 1598972560, 1798844130, 1918767072, 2398458840, 2878150608, 3197945120, 3597688260, 4796917680, 5756301216, 7195376520, 9593835360, 14390753040, 28781506080]

約数ペア:

[(1, 28781506080), (2, 14390753040), (3, 9593835360), (4, 7195376520), (5, 5756301216), (6, 4796917680), (8, 3597688260), (9, 3197945120), (10, 2878150608), (12, 2398458840), (15, 1918767072), (16, 1798844130), (18, 1598972560), (20, 1439075304), (24, 1199229420), (30, 959383536), (31, 928435680), (32, 899422065), (36, 799486280), (40, 719537652), (45, 639589024), (48, 599614710), (60, 479691768), (62, 464217840), (72, 399743140), (80, 359768826), (90, 319794512), (93, 309478560), (96, 299807355), (120, 239845884), (124, 232108920), (144, 199871570), (155, 185687136), (160, 179884413), (180, 159897256), (186, 154739280), (240, 119922942), (248, 116054460), (279, 103159520), (288, 99935785), (310, 92843568), (360, 79948628), (372, 77369640), (465, 61895712), (480, 59961471), (496, 58027230), (558, 51579760), (620, 46421784), (720, 39974314), (744, 38684820), (930, 30947856), (992, 29013615), (1116, 25789880), (1240, 23210892), (1395, 20631904), (1440, 19987157), (1488, 19342410), (1860, 15473928), (2232, 12894940), (2480, 11605446), (2790, 10315952), (2976, 9671205), (3720, 7736964), (4464, 6447470), (4960, 5802723), (5580, 5157976), (7440, 3868482), (8928, 3223735), (11160, 2578988), (14880, 1934241), (22320, 1289494), (44640, 644747)]