2981460240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19813}}^1$

素因数の和:19862

約数の個数: 240

約数和(自身を含む): 11498460480

約数和(自身を除く): 8517000240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3135, 3344, 3420, 3762, 3960, 4180, 4560, 5016, 6270, 6840, 7524, 7920, 8360, 9405, 10032, 12540, 13680, 15048, 16720, 18810, 19813, 25080, 30096, 37620, 39626, 50160, 59439, 75240, 79252, 99065, 118878, 150480, 158504, 178317, 198130, 217943, 237756, 297195, 317008, 356634, 376447, 396260, 435886, 475512, 594390, 653829, 713268, 752894, 792520, 871772, 891585, 951024, 1089715, 1129341, 1188780, 1307658, 1426536, 1505788, 1585040, 1743544, 1783170, 1882235, 1961487, 2179430, 2258682, 2377560, 2615316, 2853072, 3011576, 3269145, 3388023, 3487088, 3566340, 3764470, 3922974, 4140917, 4358860, 4517364, 4755120, 5230632, 5646705, 6023152, 6538290, 6776046, 7132680, 7528940, 7845948, 8281834, 8717720, 9034728, 9807435, 10461264, 11293410, 12422751, 13076580, 13552092, 14265360, 15057880, 15691896, 16563668, 16940115, 17435440, 18069456, 19614870, 20704585, 22586820, 24845502, 26153160, 27104184, 30115760, 31383792, 33127336, 33880230, 37268253, 39229740, 41409170, 45173640, 49691004, 52306320, 54208368, 62113755, 66254672, 67760460, 74536506, 78459480, 82818340, 90347280, 99382008, 124227510, 135520920, 149073012, 156918960, 165636680, 186341265, 198764016, 248455020, 271041840, 298146024, 331273360, 372682530, 496910040, 596292048, 745365060, 993820080, 1490730120, 2981460240]

約数ペア:

[(1, 2981460240), (2, 1490730120), (3, 993820080), (4, 745365060), (5, 596292048), (6, 496910040), (8, 372682530), (9, 331273360), (10, 298146024), (11, 271041840), (12, 248455020), (15, 198764016), (16, 186341265), (18, 165636680), (19, 156918960), (20, 149073012), (22, 135520920), (24, 124227510), (30, 99382008), (33, 90347280), (36, 82818340), (38, 78459480), (40, 74536506), (44, 67760460), (45, 66254672), (48, 62113755), (55, 54208368), (57, 52306320), (60, 49691004), (66, 45173640), (72, 41409170), (76, 39229740), (80, 37268253), (88, 33880230), (90, 33127336), (95, 31383792), (99, 30115760), (110, 27104184), (114, 26153160), (120, 24845502), (132, 22586820), (144, 20704585), (152, 19614870), (165, 18069456), (171, 17435440), (176, 16940115), (180, 16563668), (190, 15691896), (198, 15057880), (209, 14265360), (220, 13552092), (228, 13076580), (240, 12422751), (264, 11293410), (285, 10461264), (304, 9807435), (330, 9034728), (342, 8717720), (360, 8281834), (380, 7845948), (396, 7528940), (418, 7132680), (440, 6776046), (456, 6538290), (495, 6023152), (528, 5646705), (570, 5230632), (627, 4755120), (660, 4517364), (684, 4358860), (720, 4140917), (760, 3922974), (792, 3764470), (836, 3566340), (855, 3487088), (880, 3388023), (912, 3269145), (990, 3011576), (1045, 2853072), (1140, 2615316), (1254, 2377560), (1320, 2258682), (1368, 2179430), (1520, 1961487), (1584, 1882235), (1672, 1783170), (1710, 1743544), (1881, 1585040), (1980, 1505788), (2090, 1426536), (2280, 1307658), (2508, 1188780), (2640, 1129341), (2736, 1089715), (3135, 951024), (3344, 891585), (3420, 871772), (3762, 792520), (3960, 752894), (4180, 713268), (4560, 653829), (5016, 594390), (6270, 475512), (6840, 435886), (7524, 396260), (7920, 376447), (8360, 356634), (9405, 317008), (10032, 297195), (12540, 237756), (13680, 217943), (15048, 198130), (16720, 178317), (18810, 158504), (19813, 150480), (25080, 118878), (30096, 99065), (37620, 79252), (39626, 75240), (50160, 59439)]