2787431640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20611}}^1$

素因数の和:20662

約数の個数: 192

約数和(自身を含む): 10150997760

約数和(自身を除く): 7363566120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 322, 345, 392, 420, 460, 483, 490, 552, 588, 644, 690, 735, 805, 840, 920, 966, 980, 1127, 1176, 1288, 1380, 1470, 1610, 1932, 1960, 2254, 2415, 2760, 2940, 3220, 3381, 3864, 4508, 4830, 5635, 5880, 6440, 6762, 9016, 9660, 11270, 13524, 16905, 19320, 20611, 22540, 27048, 33810, 41222, 45080, 61833, 67620, 82444, 103055, 123666, 135240, 144277, 164888, 206110, 247332, 288554, 309165, 412220, 432831, 474053, 494664, 577108, 618330, 721385, 824440, 865662, 948106, 1009939, 1154216, 1236660, 1422159, 1442770, 1731324, 1896212, 2019878, 2164155, 2370265, 2473320, 2844318, 2885540, 3029817, 3318371, 3462648, 3792424, 4039756, 4328310, 4740530, 5049695, 5688636, 5771080, 6059634, 6636742, 7110795, 8079512, 8656620, 9481060, 9955113, 10099390, 11377272, 12119268, 13273484, 14221590, 15149085, 16591855, 17313240, 18962120, 19910226, 20198780, 23228597, 24238536, 26546968, 28443180, 30298170, 33183710, 39820452, 40397560, 46457194, 49775565, 56886360, 60596340, 66367420, 69685791, 79640904, 92914388, 99551130, 116142985, 121192680, 132734840, 139371582, 185828776, 199102260, 232285970, 278743164, 348428955, 398204520, 464571940, 557486328, 696857910, 929143880, 1393715820, 2787431640]

約数ペア:

[(1, 2787431640), (2, 1393715820), (3, 929143880), (4, 696857910), (5, 557486328), (6, 464571940), (7, 398204520), (8, 348428955), (10, 278743164), (12, 232285970), (14, 199102260), (15, 185828776), (20, 139371582), (21, 132734840), (23, 121192680), (24, 116142985), (28, 99551130), (30, 92914388), (35, 79640904), (40, 69685791), (42, 66367420), (46, 60596340), (49, 56886360), (56, 49775565), (60, 46457194), (69, 40397560), (70, 39820452), (84, 33183710), (92, 30298170), (98, 28443180), (105, 26546968), (115, 24238536), (120, 23228597), (138, 20198780), (140, 19910226), (147, 18962120), (161, 17313240), (168, 16591855), (184, 15149085), (196, 14221590), (210, 13273484), (230, 12119268), (245, 11377272), (276, 10099390), (280, 9955113), (294, 9481060), (322, 8656620), (345, 8079512), (392, 7110795), (420, 6636742), (460, 6059634), (483, 5771080), (490, 5688636), (552, 5049695), (588, 4740530), (644, 4328310), (690, 4039756), (735, 3792424), (805, 3462648), (840, 3318371), (920, 3029817), (966, 2885540), (980, 2844318), (1127, 2473320), (1176, 2370265), (1288, 2164155), (1380, 2019878), (1470, 1896212), (1610, 1731324), (1932, 1442770), (1960, 1422159), (2254, 1236660), (2415, 1154216), (2760, 1009939), (2940, 948106), (3220, 865662), (3381, 824440), (3864, 721385), (4508, 618330), (4830, 577108), (5635, 494664), (5880, 474053), (6440, 432831), (6762, 412220), (9016, 309165), (9660, 288554), (11270, 247332), (13524, 206110), (16905, 164888), (19320, 144277), (20611, 135240), (22540, 123666), (27048, 103055), (33810, 82444), (41222, 67620), (45080, 61833)]