1987792920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1439

約数の個数: 256

約数和(自身を含む): 7075584000

約数和(自身を除く): 5087791080

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, 72, 73, 76, 90, 95, 108, 114, 120, 135, 146, 152, 171, 180, 190, 216, 219, 228, 270, 285, 292, 342, 360, 365, 380, 438, 456, 513, 540, 570, 584, 657, 684, 730, 760, 855, 876, 1026, 1080, 1095, 1140, 1314, 1327, 1368, 1387, 1460, 1710, 1752, 1971, 2052, 2190, 2280, 2565, 2628, 2654, 2774, 2920, 3285, 3420, 3942, 3981, 4104, 4161, 4380, 5130, 5256, 5308, 5548, 6570, 6635, 6840, 6935, 7884, 7962, 8322, 8760, 9855, 10260, 10616, 11096, 11943, 12483, 13140, 13270, 13870, 15768, 15924, 16644, 19710, 19905, 20520, 20805, 23886, 24966, 25213, 26280, 26540, 27740, 31848, 33288, 35829, 37449, 39420, 39810, 41610, 47772, 49932, 50426, 53080, 55480, 59715, 62415, 71658, 74898, 75639, 78840, 79620, 83220, 95544, 96871, 99864, 100852, 119430, 124830, 126065, 143316, 149796, 151278, 159240, 166440, 179145, 187245, 193742, 201704, 226917, 238860, 249660, 252130, 286632, 290613, 299592, 302556, 358290, 374490, 378195, 387484, 453834, 477720, 484355, 499320, 504260, 581226, 605112, 680751, 716580, 748980, 756390, 774968, 871839, 907668, 968710, 1008520, 1134585, 1162452, 1361502, 1433160, 1453065, 1497960, 1512780, 1743678, 1815336, 1840549, 1937420, 2269170, 2324904, 2615517, 2723004, 2906130, 3025560, 3403755, 3487356, 3681098, 3874840, 4359195, 4538340, 5231034, 5446008, 5521647, 5812260, 6807510, 6974712, 7362196, 8718390, 9076680, 9202745, 10462068, 11043294, 11624520, 13077585, 13615020, 14724392, 16564941, 17436780, 18405490, 20924136, 22086588, 26155170, 27230040, 27608235, 33129882, 34873560, 36810980, 44173176, 49694823, 52310340, 55216470, 66259764, 73621960, 82824705, 99389646, 104620680, 110432940, 132519528, 165649410, 198779292, 220865880, 248474115, 331298820, 397558584, 496948230, 662597640, 993896460, 1987792920]

約数ペア:

[(1, 1987792920), (2, 993896460), (3, 662597640), (4, 496948230), (5, 397558584), (6, 331298820), (8, 248474115), (9, 220865880), (10, 198779292), (12, 165649410), (15, 132519528), (18, 110432940), (19, 104620680), (20, 99389646), (24, 82824705), (27, 73621960), (30, 66259764), (36, 55216470), (38, 52310340), (40, 49694823), (45, 44173176), (54, 36810980), (57, 34873560), (60, 33129882), (72, 27608235), (73, 27230040), (76, 26155170), (90, 22086588), (95, 20924136), (108, 18405490), (114, 17436780), (120, 16564941), (135, 14724392), (146, 13615020), (152, 13077585), (171, 11624520), (180, 11043294), (190, 10462068), (216, 9202745), (219, 9076680), (228, 8718390), (270, 7362196), (285, 6974712), (292, 6807510), (342, 5812260), (360, 5521647), (365, 5446008), (380, 5231034), (438, 4538340), (456, 4359195), (513, 3874840), (540, 3681098), (570, 3487356), (584, 3403755), (657, 3025560), (684, 2906130), (730, 2723004), (760, 2615517), (855, 2324904), (876, 2269170), (1026, 1937420), (1080, 1840549), (1095, 1815336), (1140, 1743678), (1314, 1512780), (1327, 1497960), (1368, 1453065), (1387, 1433160), (1460, 1361502), (1710, 1162452), (1752, 1134585), (1971, 1008520), (2052, 968710), (2190, 907668), (2280, 871839), (2565, 774968), (2628, 756390), (2654, 748980), (2774, 716580), (2920, 680751), (3285, 605112), (3420, 581226), (3942, 504260), (3981, 499320), (4104, 484355), (4161, 477720), (4380, 453834), (5130, 387484), (5256, 378195), (5308, 374490), (5548, 358290), (6570, 302556), (6635, 299592), (6840, 290613), (6935, 286632), (7884, 252130), (7962, 249660), (8322, 238860), (8760, 226917), (9855, 201704), (10260, 193742), (10616, 187245), (11096, 179145), (11943, 166440), (12483, 159240), (13140, 151278), (13270, 149796), (13870, 143316), (15768, 126065), (15924, 124830), (16644, 119430), (19710, 100852), (19905, 99864), (20520, 96871), (20805, 95544), (23886, 83220), (24966, 79620), (25213, 78840), (26280, 75639), (26540, 74898), (27740, 71658), (31848, 62415), (33288, 59715), (35829, 55480), (37449, 53080), (39420, 50426), (39810, 49932), (41610, 47772)]