1991554080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7939

約数の個数: 192

約数和(自身を含む): 6857561088

約数和(自身を除く): 4866007008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 930, 992, 1020, 1054, 1240, 1360, 1488, 1581, 1632, 1860, 2040, 2108, 2480, 2635, 2720, 2976, 3162, 3720, 4080, 4216, 4960, 5270, 6324, 7440, 7873, 7905, 8160, 8432, 10540, 12648, 14880, 15746, 15810, 16864, 21080, 23619, 25296, 31492, 31620, 39365, 42160, 47238, 50592, 62984, 63240, 78730, 84320, 94476, 118095, 125968, 126480, 133841, 157460, 188952, 236190, 244063, 251936, 252960, 267682, 314920, 377904, 401523, 472380, 488126, 535364, 629840, 669205, 732189, 755808, 803046, 944760, 976252, 1070728, 1220315, 1259680, 1338410, 1464378, 1606092, 1889520, 1952504, 2007615, 2141456, 2440630, 2676820, 2928756, 3212184, 3660945, 3779040, 3905008, 4015230, 4149071, 4282912, 4881260, 5353640, 5857512, 6424368, 7321890, 7810016, 8030460, 8298142, 9762520, 10707280, 11715024, 12447213, 12848736, 14643780, 16060920, 16596284, 19525040, 20745355, 21414560, 23430048, 24894426, 29287560, 32121840, 33192568, 39050080, 41490710, 49788852, 58575120, 62236065, 64243680, 66385136, 82981420, 99577704, 117150240, 124472130, 132770272, 165962840, 199155408, 248944260, 331925680, 398310816, 497888520, 663851360, 995777040, 1991554080]

約数ペア:

[(1, 1991554080), (2, 995777040), (3, 663851360), (4, 497888520), (5, 398310816), (6, 331925680), (8, 248944260), (10, 199155408), (12, 165962840), (15, 132770272), (16, 124472130), (17, 117150240), (20, 99577704), (24, 82981420), (30, 66385136), (31, 64243680), (32, 62236065), (34, 58575120), (40, 49788852), (48, 41490710), (51, 39050080), (60, 33192568), (62, 32121840), (68, 29287560), (80, 24894426), (85, 23430048), (93, 21414560), (96, 20745355), (102, 19525040), (120, 16596284), (124, 16060920), (136, 14643780), (155, 12848736), (160, 12447213), (170, 11715024), (186, 10707280), (204, 9762520), (240, 8298142), (248, 8030460), (255, 7810016), (272, 7321890), (310, 6424368), (340, 5857512), (372, 5353640), (408, 4881260), (465, 4282912), (480, 4149071), (496, 4015230), (510, 3905008), (527, 3779040), (544, 3660945), (620, 3212184), (680, 2928756), (744, 2676820), (816, 2440630), (930, 2141456), (992, 2007615), (1020, 1952504), (1054, 1889520), (1240, 1606092), (1360, 1464378), (1488, 1338410), (1581, 1259680), (1632, 1220315), (1860, 1070728), (2040, 976252), (2108, 944760), (2480, 803046), (2635, 755808), (2720, 732189), (2976, 669205), (3162, 629840), (3720, 535364), (4080, 488126), (4216, 472380), (4960, 401523), (5270, 377904), (6324, 314920), (7440, 267682), (7873, 252960), (7905, 251936), (8160, 244063), (8432, 236190), (10540, 188952), (12648, 157460), (14880, 133841), (15746, 126480), (15810, 125968), (16864, 118095), (21080, 94476), (23619, 84320), (25296, 78730), (31492, 63240), (31620, 62984), (39365, 50592), (42160, 47238)]