1989393480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1553

約数の個数: 256

約数和(自身を含む): 7089408000

約数和(自身を除く): 5100014520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 67, 72, 76, 90, 95, 108, 114, 120, 134, 135, 152, 171, 180, 190, 201, 216, 228, 268, 270, 285, 335, 342, 360, 380, 402, 456, 513, 536, 540, 570, 603, 670, 684, 760, 804, 855, 1005, 1026, 1080, 1140, 1206, 1273, 1340, 1368, 1447, 1608, 1710, 1809, 2010, 2052, 2280, 2412, 2546, 2565, 2680, 2894, 3015, 3420, 3618, 3819, 4020, 4104, 4341, 4824, 5092, 5130, 5788, 6030, 6365, 6840, 7235, 7236, 7638, 8040, 8682, 9045, 10184, 10260, 11457, 11576, 12060, 12730, 13023, 14470, 14472, 15276, 17364, 18090, 19095, 20520, 21705, 22914, 24120, 25460, 26046, 27493, 28940, 30552, 34371, 34728, 36180, 38190, 39069, 43410, 45828, 50920, 52092, 54986, 57285, 57880, 65115, 68742, 72360, 76380, 78138, 82479, 86820, 91656, 96949, 104184, 109972, 114570, 130230, 137465, 137484, 152760, 156276, 164958, 171855, 173640, 193898, 195345, 219944, 229140, 247437, 260460, 274930, 274968, 290847, 312552, 329916, 343710, 387796, 390690, 412395, 458280, 484745, 494874, 520920, 549860, 581694, 659832, 687420, 742311, 775592, 781380, 824790, 872541, 969490, 989748, 1099720, 1163388, 1237185, 1374840, 1454235, 1484622, 1562760, 1649580, 1745082, 1842031, 1938980, 1979496, 2326776, 2474370, 2617623, 2908470, 2969244, 3299160, 3490164, 3684062, 3711555, 3877960, 4362705, 4948740, 5235246, 5526093, 5816940, 5938488, 6980328, 7368124, 7423110, 8725410, 9210155, 9897480, 10470492, 11052186, 11633880, 13088115, 14736248, 14846220, 16578279, 17450820, 18420310, 20940984, 22104372, 26176230, 27630465, 29692440, 33156558, 34901640, 36840620, 44208744, 49734837, 52352460, 55260930, 66313116, 73681240, 82891395, 99469674, 104704920, 110521860, 132626232, 165782790, 198939348, 221043720, 248674185, 331565580, 397878696, 497348370, 663131160, 994696740, 1989393480]

約数ペア:

[(1, 1989393480), (2, 994696740), (3, 663131160), (4, 497348370), (5, 397878696), (6, 331565580), (8, 248674185), (9, 221043720), (10, 198939348), (12, 165782790), (15, 132626232), (18, 110521860), (19, 104704920), (20, 99469674), (24, 82891395), (27, 73681240), (30, 66313116), (36, 55260930), (38, 52352460), (40, 49734837), (45, 44208744), (54, 36840620), (57, 34901640), (60, 33156558), (67, 29692440), (72, 27630465), (76, 26176230), (90, 22104372), (95, 20940984), (108, 18420310), (114, 17450820), (120, 16578279), (134, 14846220), (135, 14736248), (152, 13088115), (171, 11633880), (180, 11052186), (190, 10470492), (201, 9897480), (216, 9210155), (228, 8725410), (268, 7423110), (270, 7368124), (285, 6980328), (335, 5938488), (342, 5816940), (360, 5526093), (380, 5235246), (402, 4948740), (456, 4362705), (513, 3877960), (536, 3711555), (540, 3684062), (570, 3490164), (603, 3299160), (670, 2969244), (684, 2908470), (760, 2617623), (804, 2474370), (855, 2326776), (1005, 1979496), (1026, 1938980), (1080, 1842031), (1140, 1745082), (1206, 1649580), (1273, 1562760), (1340, 1484622), (1368, 1454235), (1447, 1374840), (1608, 1237185), (1710, 1163388), (1809, 1099720), (2010, 989748), (2052, 969490), (2280, 872541), (2412, 824790), (2546, 781380), (2565, 775592), (2680, 742311), (2894, 687420), (3015, 659832), (3420, 581694), (3618, 549860), (3819, 520920), (4020, 494874), (4104, 484745), (4341, 458280), (4824, 412395), (5092, 390690), (5130, 387796), (5788, 343710), (6030, 329916), (6365, 312552), (6840, 290847), (7235, 274968), (7236, 274930), (7638, 260460), (8040, 247437), (8682, 229140), (9045, 219944), (10184, 195345), (10260, 193898), (11457, 173640), (11576, 171855), (12060, 164958), (12730, 156276), (13023, 152760), (14470, 137484), (14472, 137465), (15276, 130230), (17364, 114570), (18090, 109972), (19095, 104184), (20520, 96949), (21705, 91656), (22914, 86820), (24120, 82479), (25460, 78138), (26046, 76380), (27493, 72360), (28940, 68742), (30552, 65115), (34371, 57880), (34728, 57285), (36180, 54986), (38190, 52092), (39069, 50920), (43410, 45828)]